39144974 has 32 divisors (see below), whose sum is σ = 65802240. Its totient is φ = 17316000.

The previous prime is 39144947. The next prime is 39144977. The reversal of 39144974 is 47944193.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39144977) 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, 175427 + ... + 175649.

It is an arithmetic number, because the mean of its divisors is an integer number (2056320).

Almost surely, 2^39144974 is an apocalyptic number.

39144974 is a deficient number, since it is larger than the sum of its proper divisors (26657266).

39144974 is a wasteful number, since it uses less digits than its factorization.

39144974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its digits is 108864, while the sum is 41.

The square root of 39144974 is about 6256.5944410678. The cubic root of 39144974 is about 339.5408276840.

It can be divided in two parts, 3914 and 4974, that added together give a palindrome (8888).

The spelling of 39144974 in words is "thirty-nine million, one hundred forty-four thousand, nine hundred seventy-four".