39280052 has 12 divisors (see below), whose sum is σ = 78560160. Its totient is φ = 16834296.

The previous prime is 39280001. The next prime is 39280057. The reversal of 39280052 is 25008293.

39280052 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 39279997 and 39280024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39280057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701402 + ... + 701457.

It is an arithmetic number, because the mean of its divisors is an integer number (6546680).

Almost surely, 2^39280052 is an apocalyptic number.

It is an amenable number.

39280052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39280052 is a wasteful number, since it uses less digits than its factorization.

39280052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402870 (or 1402868 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 39280052 is about 6267.3799948623. The cubic root of 39280052 is about 339.9309317604.

The spelling of 39280052 in words is "thirty-nine million, two hundred eighty thousand, fifty-two".