84307836 has 12 divisors (see below), whose sum is σ = 196718312. Its totient is φ = 28102608.

The previous prime is 84307819. The next prime is 84307837. The reversal of 84307836 is 63870348.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×84307836² = 14215622422005792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84307794 and 84307803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84307837) 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, 3512815 + ... + 3512838.

Almost surely, 2^84307836 is an apocalyptic number.

It is an amenable number.

84307836 is an abundant number, since it is smaller than the sum of its proper divisors (112410476).

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

84307836 is a wasteful number, since it uses less digits than its factorization.

84307836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7025660 (or 7025658 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 84307836 is about 9181.9298625071. The cubic root of 84307836 is about 438.4862513334.

The spelling of 84307836 in words is "eighty-four million, three hundred seven thousand, eight hundred thirty-six".