39344642 has 16 divisors (see below), whose sum is σ = 61344000. Its totient is φ = 18905520.

The previous prime is 39344639. The next prime is 39344689. The reversal of 39344642 is 24644393.

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, 7109 + ... + 11367.

It is an arithmetic number, because the mean of its divisors is an integer number (3834000).

Almost surely, 2^39344642 is an apocalyptic number.

39344642 is a deficient number, since it is larger than the sum of its proper divisors (21999358).

39344642 is a wasteful number, since it uses less digits than its factorization.

39344642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441.

The product of its digits is 62208, while the sum is 35.

The square root of 39344642 is about 6272.5307492271. The cubic root of 39344642 is about 340.1171510944.

The spelling of 39344642 in words is "thirty-nine million, three hundred forty-four thousand, six hundred forty-two".