39242516 has 6 divisors (see below), whose sum is σ = 68674410. Its totient is φ = 19621256.

The previous prime is 39242513. The next prime is 39242519. The reversal of 39242516 is 61524293.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39242513) and next prime (39242519).

It can be written as a sum of positive squares in only one way, i.e., 23001616 + 16240900 = 4796^2 + 4030^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39242513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4905311 + ... + 4905318.

It is an arithmetic number, because the mean of its divisors is an integer number (11445735).

Almost surely, 2^39242516 is an apocalyptic number.

It is an amenable number.

39242516 is a deficient number, since it is larger than the sum of its proper divisors (29431894).

39242516 is a wasteful number, since it uses less digits than its factorization.

39242516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810633 (or 9810631 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 39242516 is about 6264.3847263718. The cubic root of 39242516 is about 339.8226179697.

The spelling of 39242516 in words is "thirty-nine million, two hundred forty-two thousand, five hundred sixteen".