84106992 has 20 divisors (see below), whose sum is σ = 217276520. Its totient is φ = 28035648.

The previous prime is 84106987. The next prime is 84106993. The reversal of 84106992 is 29960148.

It is a super-2 number, since 2×84106992² = 14147972206576128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 84106992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84106993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876067 + ... + 876162.

It is an arithmetic number, because the mean of its divisors is an integer number (10863826).

Almost surely, 2^84106992 is an apocalyptic number.

It is an amenable number.

84106992 is an abundant number, since it is smaller than the sum of its proper divisors (133169528).

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

84106992 is a wasteful number, since it uses less digits than its factorization.

84106992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752240 (or 1752234 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 84106992 is about 9170.9864245892. The cubic root of 84106992 is about 438.1377769688.

The spelling of 84106992 in words is "eighty-four million, one hundred six thousand, nine hundred ninety-two".