39996452 has 12 divisors (see below), whose sum is σ = 72407580. Its totient is φ = 19308576.

The previous prime is 39996431. The next prime is 39996469. The reversal of 39996452 is 25469993.

It can be written as a sum of positive squares in 2 ways, for example, as 17774656 + 22221796 = 4216^2 + 4714^2 .

It is a super-3 number, since 3×39996452³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 39996397 and 39996406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172283 + ... + 172514.

It is an arithmetic number, because the mean of its divisors is an integer number (6033965).

Almost surely, 2^39996452 is an apocalyptic number.

It is an amenable number.

39996452 is a deficient number, since it is larger than the sum of its proper divisors (32411128).

39996452 is a wasteful number, since it uses less digits than its factorization.

39996452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344830 (or 344828 counting only the distinct ones).

The product of its digits is 524880, while the sum is 47.

The square root of 39996452 is about 6324.2748200881. The cubic root of 39996452 is about 341.9850773786.

The spelling of 39996452 in words is "thirty-nine million, nine hundred ninety-six thousand, four hundred fifty-two".