42392516 has 6 divisors (see below), whose sum is σ = 74186910. Its totient is φ = 21196256.

The previous prime is 42392507. The next prime is 42392521. The reversal of 42392516 is 61529324.

It is a happy number.

42392516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 22052416 + 20340100 = 4696^2 + 4510^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5299061 + ... + 5299068.

It is an arithmetic number, because the mean of its divisors is an integer number (12364485).

Almost surely, 2^42392516 is an apocalyptic number.

It is an amenable number.

42392516 is a deficient number, since it is larger than the sum of its proper divisors (31794394).

42392516 is a wasteful number, since it uses less digits than its factorization.

42392516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10598133 (or 10598131 counting only the distinct ones).

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

The square root of 42392516 is about 6510.9535399970. The cubic root of 42392516 is about 348.6821626082.

The spelling of 42392516 in words is "forty-two million, three hundred ninety-two thousand, five hundred sixteen".