389752670 has 32 divisors (see below), whose sum is σ = 721830528. Its totient is φ = 151445248.

The previous prime is 389752661. The next prime is 389752703. The reversal of 389752670 is 76257983.

It is a super-3 number, since 3×389752670³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61364 + ... + 67416.

It is an arithmetic number, because the mean of its divisors is an integer number (22557204).

Almost surely, 2^389752670 is an apocalyptic number.

389752670 is a deficient number, since it is larger than the sum of its proper divisors (332077858).

389752670 is a wasteful number, since it uses less digits than its factorization.

389752670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 389752670 is about 19742.1546443138. The cubic root of 389752670 is about 730.4598778663.

The spelling of 389752670 in words is "three hundred eighty-nine million, seven hundred fifty-two thousand, six hundred seventy".