39457130 has 16 divisors (see below), whose sum is σ = 71386920. Its totient is φ = 15701952.

The previous prime is 39457127. The next prime is 39457147. The reversal of 39457130 is 3175493.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36711481 + 2745649 = 6059^2 + 1657^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8045 + ... + 11984.

Almost surely, 2^39457130 is an apocalyptic number.

39457130 is a deficient number, since it is larger than the sum of its proper divisors (31929790).

39457130 is a wasteful number, since it uses less digits than its factorization.

39457130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20233.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 39457130 is about 6281.4910650259. The cubic root of 39457130 is about 340.4409791303.

The spelling of 39457130 in words is "thirty-nine million, four hundred fifty-seven thousand, one hundred thirty".