99590004 has 18 divisors (see below), whose sum is σ = 251741490. Its totient is φ = 33196656.

The previous prime is 99589993. The next prime is 99590033. The reversal of 99590004 is 40009599.

It can be written as a sum of positive squares in only one way, i.e., 97061904 + 2528100 = 9852^2 + 1590^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2766389 = 99590004 / (9 + 9 + 5 + 9 + 0 + 0 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1383159 + ... + 1383230.

Almost surely, 2^99590004 is an apocalyptic number.

It is an amenable number.

99590004 is an abundant number, since it is smaller than the sum of its proper divisors (152151486).

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

99590004 is a wasteful number, since it uses less digits than its factorization.

99590004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766399 (or 2766394 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 99590004 is about 9979.4791447249. The cubic root of 99590004 is about 463.5236701673.

The spelling of 99590004 in words is "ninety-nine million, five hundred ninety thousand, four".