84418460 has 96 divisors (see below), whose sum is σ = 213480960. Its totient is φ = 27433728.

The previous prime is 84418381. The next prime is 84418471. The reversal of 84418460 is 6481448.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 84418460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222551 + ... + 222929.

It is an arithmetic number, because the mean of its divisors is an integer number (2223760).

Almost surely, 2^84418460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84418460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106740480).

84418460 is an abundant number, since it is smaller than the sum of its proper divisors (129062500).

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

84418460 is a wasteful number, since it uses less digits than its factorization.

84418460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 84418460 is about 9187.9518936486. The cubic root of 84418460 is about 438.6779531756.

The spelling of 84418460 in words is "eighty-four million, four hundred eighteen thousand, four hundred sixty".