83604992 has 40 divisors (see below), whose sum is σ = 167927496. Its totient is φ = 41582592.

The previous prime is 83604991. The next prime is 83605001. The reversal of 83604992 is 29940638.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83604991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144608 + ... + 145184.

Almost surely, 2^83604992 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 83604992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83963748).

83604992 is an abundant number, since it is smaller than the sum of its proper divisors (84322504).

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

83604992 is an equidigital number, since it uses as much as digits as its factorization.

83604992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 83604992 is about 9143.5765431258. The cubic root of 83604992 is about 437.2643489578.

The spelling of 83604992 in words is "eighty-three million, six hundred four thousand, nine hundred ninety-two".