383420513 has 16 divisors (see below), whose sum is σ = 477168000. Its totient is φ = 300609792.

The previous prime is 383420503. The next prime is 383420537. The reversal of 383420513 is 315024383.

It is not a de Polignac number, because 383420513 - 2⁶ = 383420449 is a prime.

It is a super-2 number, since 2×383420513² = 294022579578366338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (383420503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45848 + ... + 53561.

It is an arithmetic number, because the mean of its divisors is an integer number (29823000).

Almost surely, 2^383420513 is an apocalyptic number.

It is an amenable number.

383420513 is a deficient number, since it is larger than the sum of its proper divisors (93747487).

383420513 is a wasteful number, since it uses less digits than its factorization.

383420513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99464.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 383420513 is about 19581.1264487005. The cubic root of 383420513 is about 726.4824288371.

Adding to 383420513 its reverse (315024383), we get a palindrome (698444896).

The spelling of 383420513 in words is "three hundred eighty-three million, four hundred twenty thousand, five hundred thirteen".