39149394 has 32 divisors (see below), whose sum is σ = 79845696. Its totient is φ = 12794880.

The previous prime is 39149387. The next prime is 39149399. The reversal of 39149394 is 49394193.

It is not an unprimeable number, because it can be changed into a prime (39149399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79489 + ... + 79979.

It is an arithmetic number, because the mean of its divisors is an integer number (2495178).

Almost surely, 2^39149394 is an apocalyptic number.

39149394 is an abundant number, since it is smaller than the sum of its proper divisors (40696302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39149394 is a wasteful number, since it uses less digits than its factorization.

39149394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its digits is 104976, while the sum is 42.

The square root of 39149394 is about 6256.9476584034. The cubic root of 39149394 is about 339.5536067956.

The spelling of 39149394 in words is "thirty-nine million, one hundred forty-nine thousand, three hundred ninety-four".