389651076 has 36 divisors (see below), whose sum is σ = 1018917900. Its totient is φ = 125404608.

The previous prime is 389651063. The next prime is 389651081. The reversal of 389651076 is 670156983.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 270273600 + 119377476 = 16440^2 + 10926^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×389651076² = 303655922055915552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185571 + ... + 187658.

It is an arithmetic number, because the mean of its divisors is an integer number (28303275).

Almost surely, 2^389651076 is an apocalyptic number.

389651076 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

389651076 is an abundant number, since it is smaller than the sum of its proper divisors (629266824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389651076 is a wasteful number, since it uses less digits than its factorization.

389651076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373268 (or 373263 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 389651076 is about 19739.5814545294. The cubic root of 389651076 is about 730.3964044591.

The spelling of 389651076 in words is "three hundred eighty-nine million, six hundred fifty-one thousand, seventy-six".