39281252 has 6 divisors (see below), whose sum is σ = 68742198. Its totient is φ = 19640624.

The previous prime is 39281219. The next prime is 39281269. The reversal of 39281252 is 25218293.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39262756 + 18496 = 6266^2 + 136^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4910153 + ... + 4910160.

It is an arithmetic number, because the mean of its divisors is an integer number (11457033).

Almost surely, 2^39281252 is an apocalyptic number.

It is an amenable number.

39281252 is a deficient number, since it is larger than the sum of its proper divisors (29460946).

39281252 is a wasteful number, since it uses less digits than its factorization.

39281252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9820317 (or 9820315 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 39281252 is about 6267.4757279147. The cubic root of 39281252 is about 339.9343933390.

The spelling of 39281252 in words is "thirty-nine million, two hundred eighty-one thousand, two hundred fifty-two".