83940798 has 16 divisors (see below), whose sum is σ = 177757200. Its totient is φ = 26334336.

The previous prime is 83940763. The next prime is 83940809. The reversal of 83940798 is 89704938.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411373 + ... + 411576.

It is an arithmetic number, because the mean of its divisors is an integer number (11109825).

Almost surely, 2^83940798 is an apocalyptic number.

83940798 is an abundant number, since it is smaller than the sum of its proper divisors (93816402).

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

83940798 is a wasteful number, since it uses less digits than its factorization.

83940798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822971.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 83940798 is about 9161.9210867590. The cubic root of 83940798 is about 437.8490023906.

The spelling of 83940798 in words is "eighty-three million, nine hundred forty thousand, seven hundred ninety-eight".