83696490 has 128 divisors (see below), whose sum is σ = 233798400. Its totient is φ = 21555072.

The previous prime is 83696477. The next prime is 83696521. The reversal of 83696490 is 9469638.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 940366 + ... + 940454.

It is an arithmetic number, because the mean of its divisors is an integer number (1826550).

Almost surely, 2^83696490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83696490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116899200).

83696490 is an abundant number, since it is smaller than the sum of its proper divisors (150101910).

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

83696490 is an equidigital number, since it uses as much as digits as its factorization.

83696490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 83696490 is about 9148.5785781180. The cubic root of 83696490 is about 437.4238060507.

The spelling of 83696490 in words is "eighty-three million, six hundred ninety-six thousand, four hundred ninety".