389668853 has 32 divisors (see below), whose sum is σ = 500736000. Its totient is φ = 295565760.

The previous prime is 389668837. The next prime is 389668889. The reversal of 389668853 is 358866983.

It is not a de Polignac number, because 389668853 - 2⁴ = 389668837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389668753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117938 + ... + 121196.

It is an arithmetic number, because the mean of its divisors is an integer number (15648000).

Almost surely, 2^389668853 is an apocalyptic number.

It is an amenable number.

389668853 is a deficient number, since it is larger than the sum of its proper divisors (111067147).

389668853 is a wasteful number, since it uses less digits than its factorization.

389668853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345.

The product of its digits is 7464960, while the sum is 56.

The square root of 389668853 is about 19740.0317375631. The cubic root of 389668853 is about 730.4075118834.

The spelling of 389668853 in words is "three hundred eighty-nine million, six hundred sixty-eight thousand, eight hundred fifty-three".