83990336 has 84 divisors (see below), whose sum is σ = 187147200. Its totient is φ = 37287936.

The previous prime is 83990327. The next prime is 83990339. The reversal of 83990336 is 63309938.

It is a junction number, because it is equal to n+sod(n) for n = 83990293 and 83990302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83990339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351305 + ... + 351543.

Almost surely, 2^83990336 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 83990336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93573600).

83990336 is an abundant number, since it is smaller than the sum of its proper divisors (103156864).

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

83990336 is a wasteful number, since it uses less digits than its factorization.

83990336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 83990336 is about 9164.6241603243. The cubic root of 83990336 is about 437.9351182363.

The spelling of 83990336 in words is "eighty-three million, nine hundred ninety thousand, three hundred thirty-six".