84861792 has 36 divisors (see below), whose sum is σ = 241326540. Its totient is φ = 28287168.

The previous prime is 84861779. The next prime is 84861811. The reversal of 84861792 is 29716848.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147042 + ... + 147617.

It is an arithmetic number, because the mean of its divisors is an integer number (6703515).

Almost surely, 2^84861792 is an apocalyptic number.

It is an amenable number.

84861792 is an abundant number, since it is smaller than the sum of its proper divisors (156464748).

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

84861792 is a wasteful number, since it uses less digits than its factorization.

84861792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294675 (or 294664 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 84861792 is about 9212.0460268064. The cubic root of 84861792 is about 439.4445332200. Note that the first 3 decimals are identical.

It can be divided in two parts, 84 and 861792, that multiplied together give a triangular number (72390528 = T₁₂₀₃₂).

The spelling of 84861792 in words is "eighty-four million, eight hundred sixty-one thousand, seven hundred ninety-two".