84304990 has 48 divisors (see below), whose sum is σ = 192584304. Its totient is φ = 26275200.

The previous prime is 84304967. The next prime is 84305017. The reversal of 84304990 is 9940348.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2431 + ... + 13210.

It is an arithmetic number, because the mean of its divisors is an integer number (4012173).

Almost surely, 2^84304990 is an apocalyptic number.

84304990 is an abundant number, since it is smaller than the sum of its proper divisors (108279314).

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

84304990 is a wasteful number, since it uses less digits than its factorization.

84304990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15673 (or 15666 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 84304990 is about 9181.7748828862. The cubic root of 84304990 is about 438.4813172491.

The spelling of 84304990 in words is "eighty-four million, three hundred four thousand, nine hundred ninety".