39020836 has 12 divisors (see below), whose sum is σ = 69222412. Its totient is φ = 19243008.

The previous prime is 39020833. The next prime is 39020843. The reversal of 39020836 is 63802093.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19307236 + 19713600 = 4394^2 + 4440^2 .

It is a hoax number, since the sum of its digits (31) 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 = 39020798 and 39020807.

It is not an unprimeable number, because it can be changed into a prime (39020833) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66525 + ... + 67108.

Almost surely, 2^39020836 is an apocalyptic number.

It is an amenable number.

39020836 is a deficient number, since it is larger than the sum of its proper divisors (30201576).

39020836 is a wasteful number, since it uses less digits than its factorization.

39020836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133710 (or 133708 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 39020836 is about 6246.6659907506. The cubic root of 39020836 is about 339.1815260980.

The spelling of 39020836 in words is "thirty-nine million, twenty thousand, eight hundred thirty-six".