83804490 has 256 divisors, whose sum is σ = 290304000. Its totient is φ = 16692480.

The previous prime is 83804489. The next prime is 83804531. The reversal of 83804490 is 9440838.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 602841 + ... + 602979.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^83804490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83804490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145152000).

83804490 is an abundant number, since it is smaller than the sum of its proper divisors (206499510).

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

83804490 is a wasteful number, since it uses less digits than its factorization.

83804490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 83804490 is about 9154.4792315019. The cubic root of 83804490 is about 437.6118723433.

The spelling of 83804490 in words is "eighty-three million, eight hundred four thousand, four hundred ninety".