83901380 has 24 divisors (see below), whose sum is σ = 178319232. Its totient is φ = 33155552.

The previous prime is 83901371. The next prime is 83901383. The reversal of 83901380 is 8310938.

It is not an unprimeable number, because it can be changed into a prime (83901383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23612 + ... + 26931.

It is an arithmetic number, because the mean of its divisors is an integer number (7429968).

Almost surely, 2^83901380 is an apocalyptic number.

It is an amenable number.

83901380 is an abundant number, since it is smaller than the sum of its proper divisors (94417852).

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

83901380 is a wasteful number, since it uses less digits than its factorization.

83901380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50635 (or 50633 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 83901380 is about 9159.7696477586. The cubic root of 83901380 is about 437.7804547369.

The spelling of 83901380 in words is "eighty-three million, nine hundred one thousand, three hundred eighty".