239929628 has 12 divisors (see below), whose sum is σ = 420022512. Its totient is φ = 119923200.

The previous prime is 239929621. The next prime is 239929633. The reversal of 239929628 is 826929932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239929621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5153 + ... + 22503.

It is an arithmetic number, because the mean of its divisors is an integer number (35001876).

Almost surely, 2^239929628 is an apocalyptic number.

It is an amenable number.

239929628 is a deficient number, since it is larger than the sum of its proper divisors (180092884).

239929628 is a wasteful number, since it uses less digits than its factorization.

239929628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20812 (or 20810 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 239929628 is about 15489.6619717798. The cubic root of 239929628 is about 621.3857557627.

The spelling of 239929628 in words is "two hundred thirty-nine million, nine hundred twenty-nine thousand, six hundred twenty-eight".