84610872 has 32 divisors (see below), whose sum is σ = 235030800. Its totient is φ = 28203552.

The previous prime is 84610861. The next prime is 84610879. The reversal of 84610872 is 27801648.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84610879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195643 + ... + 196074.

Almost surely, 2^84610872 is an apocalyptic number.

It is an amenable number.

84610872 is an abundant number, since it is smaller than the sum of its proper divisors (150419928).

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

84610872 is a wasteful number, since it uses less digits than its factorization.

84610872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391732 (or 391722 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 84610872 is about 9198.4168203012. The cubic root of 84610872 is about 439.0109879757.

The spelling of 84610872 in words is "eighty-four million, six hundred ten thousand, eight hundred seventy-two".