84023406 has 40 divisors (see below), whose sum is σ = 188806464. Its totient is φ = 27928800.

The previous prime is 84023389. The next prime is 84023441. The reversal of 84023406 is 60432048.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 84023406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96931 + ... + 97793.

Almost surely, 2^84023406 is an apocalyptic number.

84023406 is an abundant number, since it is smaller than the sum of its proper divisors (104783058).

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

84023406 is a wasteful number, since it uses less digits than its factorization.

84023406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1469 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 84023406 is about 9166.4282029589. The cubic root of 84023406 is about 437.9925876021.

The spelling of 84023406 in words is "eighty-four million, twenty-three thousand, four hundred six".