83908372 has 12 divisors (see below), whose sum is σ = 146957076. Its totient is φ = 41920640.

The previous prime is 83908369. The next prime is 83908403. The reversal of 83908372 is 27380938.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44142736 + 39765636 = 6644^2 + 6306^2 .

It is a super-2 number, since 2×83908372² = 14081229783380768, which contains 22 as substring.

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, 2263 + ... + 13150.

It is an arithmetic number, because the mean of its divisors is an integer number (12246423).

Almost surely, 2^83908372 is an apocalyptic number.

It is an amenable number.

83908372 is a deficient number, since it is larger than the sum of its proper divisors (63048704).

83908372 is a wasteful number, since it uses less digits than its factorization.

83908372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16778 (or 16776 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 83908372 is about 9160.1513087940. The cubic root of 83908372 is about 437.7926153470.

The spelling of 83908372 in words is "eighty-three million, nine hundred eight thousand, three hundred seventy-two".