83940902 has 12 divisors (see below), whose sum is σ = 128913300. Its totient is φ = 40992588.

The previous prime is 83940853. The next prime is 83940907. The reversal of 83940902 is 20904938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83940907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7652 + ... + 15047.

It is an arithmetic number, because the mean of its divisors is an integer number (10742775).

Almost surely, 2^83940902 is an apocalyptic number.

83940902 is a deficient number, since it is larger than the sum of its proper divisors (44972398).

83940902 is a wasteful number, since it uses less digits than its factorization.

83940902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22787 (or 22744 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 83940902 is about 9161.9267624228. The cubic root of 83940902 is about 437.8491832176.

The spelling of 83940902 in words is "eighty-three million, nine hundred forty thousand, nine hundred two".