38039930 has 16 divisors (see below), whose sum is σ = 71449344. Its totient is φ = 14554320.

The previous prime is 38039927. The next prime is 38039941. The reversal of 38039930 is 3993083.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82466 + ... + 82925.

It is an arithmetic number, because the mean of its divisors is an integer number (4465584).

Almost surely, 2^38039930 is an apocalyptic number.

38039930 is a deficient number, since it is larger than the sum of its proper divisors (33409414).

38039930 is a wasteful number, since it uses less digits than its factorization.

38039930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165421.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 38039930 is about 6167.6519032773. The cubic root of 38039930 is about 336.3152570701.

The spelling of 38039930 in words is "thirty-eight million, thirty-nine thousand, nine hundred thirty".