39934436 has 6 divisors (see below), whose sum is σ = 69885270. Its totient is φ = 19967216.

The previous prime is 39934397. The next prime is 39934457. The reversal of 39934436 is 63443993.

It can be written as a sum of positive squares in only one way, i.e., 39816100 + 118336 = 6310^2 + 344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39934393 and 39934402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991801 + ... + 4991808.

It is an arithmetic number, because the mean of its divisors is an integer number (11647545).

Almost surely, 2^39934436 is an apocalyptic number.

It is an amenable number.

39934436 is a deficient number, since it is larger than the sum of its proper divisors (29950834).

39934436 is a wasteful number, since it uses less digits than its factorization.

39934436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9983613 (or 9983611 counting only the distinct ones).

The product of its digits is 209952, while the sum is 41.

The square root of 39934436 is about 6319.3699052991. The cubic root of 39934436 is about 341.8082323794.

The spelling of 39934436 in words is "thirty-nine million, nine hundred thirty-four thousand, four hundred thirty-six".