389252752 has 20 divisors (see below), whose sum is σ = 861917056. Its totient is φ = 166822560.

The previous prime is 389252749. The next prime is 389252767. The reversal of 389252752 is 257252983.

It is a junction number, because it is equal to n+sod(n) for n = 389252699 and 389252708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737624 + ... + 1737847.

Almost surely, 2^389252752 is an apocalyptic number.

It is an amenable number.

389252752 is an abundant number, since it is smaller than the sum of its proper divisors (472664304).

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

389252752 is a wasteful number, since it uses less digits than its factorization.

389252752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475486 (or 3475480 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 389252752 is about 19729.4894003874. The cubic root of 389252752 is about 730.1474350363.

It can be divided in two parts, 3892 and 52752, that added together give a square (56644 = 238²).

The spelling of 389252752 in words is "three hundred eighty-nine million, two hundred fifty-two thousand, seven hundred fifty-two".