389134430 has 8 divisors (see below), whose sum is σ = 700441992. Its totient is φ = 155653768.

The previous prime is 389134411. The next prime is 389134451. The reversal of 389134430 is 34431983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×389134430² = 302851209222849800, which contains 22 as substring.

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, 19456712 + ... + 19456731.

It is an arithmetic number, because the mean of its divisors is an integer number (87555249).

Almost surely, 2^389134430 is an apocalyptic number.

389134430 is a deficient number, since it is larger than the sum of its proper divisors (311307562).

389134430 is a wasteful number, since it uses less digits than its factorization.

389134430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38913450.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 389134430 is about 19726.4905647203. The cubic root of 389134430 is about 730.0734460412.

The spelling of 389134430 in words is "three hundred eighty-nine million, one hundred thirty-four thousand, four hundred thirty".