383811413 has 4 divisors (see below), whose sum is σ = 387611628. Its totient is φ = 380011200.

The previous prime is 383811409. The next prime is 383811469. The reversal of 383811413 is 314118383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167780209 + 216031204 = 12953^2 + 14698^2 .

It is a cyclic number.

It is not a de Polignac number, because 383811413 - 2² = 383811409 is a prime.

It is a super-2 number, since 2×383811413² = 294622401498113138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 383811413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383813413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1899956 + ... + 1900157.

It is an arithmetic number, because the mean of its divisors is an integer number (96902907).

Almost surely, 2^383811413 is an apocalyptic number.

It is an amenable number.

383811413 is a deficient number, since it is larger than the sum of its proper divisors (3800215).

383811413 is a wasteful number, since it uses less digits than its factorization.

383811413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800214.

The product of its digits is 6912, while the sum is 32.

The square root of 383811413 is about 19591.1054563034. The cubic root of 383811413 is about 726.7292296900.

Adding to 383811413 its reverse (314118383), we get a palindrome (697929796).

It can be divided in two parts, 3838 and 11413, that added together give a palindrome (15251).

The spelling of 383811413 in words is "three hundred eighty-three million, eight hundred eleven thousand, four hundred thirteen".