389771896 has 16 divisors (see below), whose sum is σ = 737654040. Its totient is φ = 193064160.

The previous prime is 389771881. The next prime is 389771927. The reversal of 389771896 is 698177983.

It is a super-2 number, since 2×389771896² = 303844261822869632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 389771896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226815 + ... + 228526.

Almost surely, 2^389771896 is an apocalyptic number.

It is an amenable number.

389771896 is a deficient number, since it is larger than the sum of its proper divisors (347882144).

389771896 is a wasteful number, since it uses less digits than its factorization.

389771896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455454 (or 455450 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 58.

The square root of 389771896 is about 19742.6415659101. The cubic root of 389771896 is about 730.4718885522.

The spelling of 389771896 in words is "three hundred eighty-nine million, seven hundred seventy-one thousand, eight hundred ninety-six".