84746490 has 64 divisors (see below), whose sum is σ = 213497856. Its totient is φ = 21488192.

The previous prime is 84746489. The next prime is 84746531. The reversal of 84746490 is 9464748.

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, 181237 + ... + 181703.

It is an arithmetic number, because the mean of its divisors is an integer number (3335904).

Almost surely, 2^84746490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84746490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106748928).

84746490 is an abundant number, since it is smaller than the sum of its proper divisors (128751366).

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

84746490 is a wasteful number, since it uses less digits than its factorization.

84746490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 84746490 is about 9205.7856807553. The cubic root of 84746490 is about 439.2454180953.

The spelling of 84746490 in words is "eighty-four million, seven hundred forty-six thousand, four hundred ninety".