83409404 has 24 divisors (see below), whose sum is σ = 157466400. Its totient is φ = 38430144.

The previous prime is 83409401. The next prime is 83409413. The reversal of 83409404 is 40490438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83409401) by changing a digit.

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, 41822 + ... + 43770.

It is an arithmetic number, because the mean of its divisors is an integer number (6561100).

Almost surely, 2^83409404 is an apocalyptic number.

It is an amenable number.

83409404 is a deficient number, since it is larger than the sum of its proper divisors (74056996).

83409404 is a wasteful number, since it uses less digits than its factorization.

83409404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 83409404 is about 9132.8749033368. The cubic root of 83409404 is about 436.9230996438.

The spelling of 83409404 in words is "eighty-three million, four hundred nine thousand, four hundred four".