83408646 has 8 divisors (see below), whose sum is σ = 166817304. Its totient is φ = 27802880.

The previous prime is 83408639. The next prime is 83408659. The reversal of 83408646 is 64680438.

It is a sphenic number, since it is the product of 3 distinct primes.

83408646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6950715 + ... + 6950726.

It is an arithmetic number, because the mean of its divisors is an integer number (20852163).

Almost surely, 2^83408646 is an apocalyptic number.

83408646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83408646 is a wasteful number, since it uses less digits than its factorization.

83408646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13901446.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 83408646 is about 9132.8334048093. The cubic root of 83408646 is about 436.9217760972.

The spelling of 83408646 in words is "eighty-three million, four hundred eight thousand, six hundred forty-six".