39516942 has 32 divisors (see below), whose sum is σ = 85473792. Its totient is φ = 12132224.

The previous prime is 39516923. The next prime is 39516947. The reversal of 39516942 is 24961593.

It is a self number, because there is not a number n which added to its sum of digits gives 39516942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39516947) 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, 673 + ... + 8915.

It is an arithmetic number, because the mean of its divisors is an integer number (2671056).

Almost surely, 2^39516942 is an apocalyptic number.

39516942 is an abundant number, since it is smaller than the sum of its proper divisors (45956850).

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

39516942 is a wasteful number, since it uses less digits than its factorization.

39516942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8312.

The product of its digits is 58320, while the sum is 39.

The square root of 39516942 is about 6286.2502336449. The cubic root of 39516942 is about 340.6129140509.

The spelling of 39516942 in words is "thirty-nine million, five hundred sixteen thousand, nine hundred forty-two".