39142384 has 20 divisors (see below), whose sum is σ = 77603416. Its totient is φ = 19115712.

The previous prime is 39142379. The next prime is 39142387. The reversal of 39142384 is 48324193.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39142387) 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, 27759 + ... + 29134.

Almost surely, 2^39142384 is an apocalyptic number.

It is an amenable number.

39142384 is a deficient number, since it is larger than the sum of its proper divisors (38461032).

39142384 is a wasteful number, since it uses less digits than its factorization.

39142384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56944 (or 56938 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 39142384 is about 6256.3874560324. The cubic root of 39142384 is about 339.5333390245.

The spelling of 39142384 in words is "thirty-nine million, one hundred forty-two thousand, three hundred eighty-four".