390338853 has 16 divisors (see below), whose sum is σ = 551624256. Its totient is φ = 244670720.

The previous prime is 390338843. The next prime is 390338909. The reversal of 390338853 is 358833093.

It is a cyclic number.

It is not a de Polignac number, because 390338853 - 2⁹ = 390338341 is a prime.

It is a super-2 number, since 2×390338853² = 304728840322711218, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390338803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56023 + ... + 62603.

It is an arithmetic number, because the mean of its divisors is an integer number (34476516).

Almost surely, 2^390338853 is an apocalyptic number.

It is an amenable number.

390338853 is a deficient number, since it is larger than the sum of its proper divisors (161285403).

390338853 is a wasteful number, since it uses less digits than its factorization.

390338853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 390338853 is about 19756.9950397321. The cubic root of 390338853 is about 730.8258951845.

The spelling of 390338853 in words is "three hundred ninety million, three hundred thirty-eight thousand, eight hundred fifty-three".