83409908 has 24 divisors (see below), whose sum is σ = 151779264. Its totient is φ = 40075200.

The previous prime is 83409857. The next prime is 83409947. The reversal of 83409908 is 80990438.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7193 + ... + 14783.

It is an arithmetic number, because the mean of its divisors is an integer number (6324136).

Almost surely, 2^83409908 is an apocalyptic number.

It is an amenable number.

83409908 is a deficient number, since it is larger than the sum of its proper divisors (68369356).

83409908 is a wasteful number, since it uses less digits than its factorization.

83409908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7703 (or 7701 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 83409908 is about 9132.9024959210. The cubic root of 83409908 is about 436.9239796757.

The spelling of 83409908 in words is "eighty-three million, four hundred nine thousand, nine hundred eight".