83690044 has 12 divisors (see below), whose sum is σ = 146561184. Its totient is φ = 41815424.

The previous prime is 83690023. The next prime is 83690051. The reversal of 83690044 is 44009638.

It is a junction number, because it is equal to n+sod(n) for n = 83689991 and 83690009.

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 3 ways as a sum of consecutive naturals, for example, 277 + ... + 12940.

It is an arithmetic number, because the mean of its divisors is an integer number (12213432).

Almost surely, 2^83690044 is an apocalyptic number.

It is an amenable number.

83690044 is a deficient number, since it is larger than the sum of its proper divisors (62871140).

83690044 is a wasteful number, since it uses less digits than its factorization.

83690044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14804 (or 14802 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 83690044 is about 9148.2262761696. The cubic root of 83690044 is about 437.4125761643.

The spelling of 83690044 in words is "eighty-three million, six hundred ninety thousand, forty-four".