84309792 has 72 divisors (see below), whose sum is σ = 257460336. Its totient is φ = 24087168.

The previous prime is 84309787. The next prime is 84309847. The reversal of 84309792 is 29790348.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4258 + ... + 13665.

It is an arithmetic number, because the mean of its divisors is an integer number (3575838).

Almost surely, 2^84309792 is an apocalyptic number.

It is an amenable number.

84309792 is an abundant number, since it is smaller than the sum of its proper divisors (173150544).

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

84309792 is a wasteful number, since it uses less digits than its factorization.

84309792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17950 (or 17935 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 84309792 is about 9182.0363754453. The cubic root of 84309792 is about 438.4896423684.

The spelling of 84309792 in words is "eighty-four million, three hundred nine thousand, seven hundred ninety-two".