83380944 has 20 divisors (see below), whose sum is σ = 215400896. Its totient is φ = 27793632.

The previous prime is 83380933. The next prime is 83380951. The reversal of 83380944 is 44908338.

It is a super-2 number, since 2×83380944² = 13904763644662272, 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, 868504 + ... + 868599.

Almost surely, 2^83380944 is an apocalyptic number.

It is an amenable number.

83380944 is an abundant number, since it is smaller than the sum of its proper divisors (132019952).

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

83380944 is a wasteful number, since it uses less digits than its factorization.

83380944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737114 (or 1737108 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 83380944 is about 9131.3166630010. The cubic root of 83380944 is about 436.8734000281.

The spelling of 83380944 in words is "eighty-three million, three hundred eighty thousand, nine hundred forty-four".