83504500 has 24 divisors (see below), whose sum is σ = 182374920. Its totient is φ = 33401600.

The previous prime is 83504497. The next prime is 83504507. The reversal of 83504500 is 540538.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22695696 + 60808804 = 4764^2 + 7798^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83504507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83005 + ... + 84004.

It is an arithmetic number, because the mean of its divisors is an integer number (7598955).

Almost surely, 2^83504500 is an apocalyptic number.

It is an amenable number.

83504500 is an abundant number, since it is smaller than the sum of its proper divisors (98870420).

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

83504500 is a wasteful number, since it uses less digits than its factorization.

83504500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167028 (or 167016 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 83504500 is about 9138.0796669760. The cubic root of 83504500 is about 437.0890835604.

The spelling of 83504500 in words is "eighty-three million, five hundred four thousand, five hundred".