83951904 has 48 divisors (see below), whose sum is σ = 220993920. Its totient is φ = 27905280.

The previous prime is 83951893. The next prime is 83951939. The reversal of 83951904 is 40915938.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40362 + ... + 42390.

It is an arithmetic number, because the mean of its divisors is an integer number (4604040).

Almost surely, 2^83951904 is an apocalyptic number.

It is an amenable number.

83951904 is an abundant number, since it is smaller than the sum of its proper divisors (137042016).

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

83951904 is a wasteful number, since it uses less digits than its factorization.

83951904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 83951904 is about 9162.5271623063. The cubic root of 83951904 is about 437.8683117797.

The spelling of 83951904 in words is "eighty-three million, nine hundred fifty-one thousand, nine hundred four".