84026836 has 12 divisors (see below), whose sum is σ = 149821812. Its totient is φ = 41220608.

The previous prime is 84026827. The next prime is 84026851. The reversal of 84026836 is 63862048.

It can be written as a sum of positive squares in 2 ways, for example, as 48385936 + 35640900 = 6956^2 + 5970^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84026795 and 84026804.

It is a congruent number.

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, 197965 + ... + 198388.

It is an arithmetic number, because the mean of its divisors is an integer number (12485151).

Almost surely, 2^84026836 is an apocalyptic number.

It is an amenable number.

84026836 is a deficient number, since it is larger than the sum of its proper divisors (65794976).

84026836 is a wasteful number, since it uses less digits than its factorization.

84026836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396410 (or 396408 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 84026836 is about 9166.6152968258. The cubic root of 84026836 is about 437.9985474261.

The spelling of 84026836 in words is "eighty-four million, twenty-six thousand, eight hundred thirty-six".