389629552 has 20 divisors (see below), whose sum is σ = 812977480. Its totient is φ = 179828928.

The previous prime is 389629549. The next prime is 389629567. The reversal of 389629552 is 255926983.

It is a happy number.

It is a super-2 number, since 2×389629552² = 303622375583441408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389629496 and 389629505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936402 + ... + 936817.

It is an arithmetic number, because the mean of its divisors is an integer number (40648874).

Almost surely, 2^389629552 is an apocalyptic number.

It is an amenable number.

389629552 is an abundant number, since it is smaller than the sum of its proper divisors (423347928).

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

389629552 is a wasteful number, since it uses less digits than its factorization.

389629552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873240 (or 1873234 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 389629552 is about 19739.0362480036. The cubic root of 389629552 is about 730.3829553824.

The spelling of 389629552 in words is "three hundred eighty-nine million, six hundred twenty-nine thousand, five hundred fifty-two".