401383 has 4 divisors (see below), whose sum is σ = 403600. Its totient is φ = 399168.

The previous prime is 401381. The next prime is 401393. The reversal of 401383 is 383104.

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

It is a cyclic number.

It is not a de Polignac number, because 401383 - 2¹ = 401381 is a prime.

It is a super-2 number, since 2×401383² = 322216625378, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

401383 is a lucky number.

It is a plaindrome in base 15.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 401383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401381) 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 3 ways as a sum of consecutive naturals, for example, 810 + ... + 1207.

It is an arithmetic number, because the mean of its divisors is an integer number (100900).

2⁴⁰¹³⁸³ is an apocalyptic number.

401383 is a deficient number, since it is larger than the sum of its proper divisors (2217).

401383 is a wasteful number, since it uses less digits than its factorization.

401383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 401383 is about 633.5479460941. The cubic root of 401383 is about 73.7654492196.

Adding to 401383 its reverse (383104), we get a palindrome (784487).

It can be divided in two parts, 4013 and 83, that added together give a 12-th power (4096 = 2¹²).

The spelling of 401383 in words is "four hundred one thousand, three hundred eighty-three".