99576404 has 12 divisors (see below), whose sum is σ = 176217300. Its totient is φ = 49228608.

The previous prime is 99576377. The next prime is 99576439. The reversal of 99576404 is 40467599.

It can be written as a sum of positive squares in 2 ways, for example, as 56280004 + 43296400 = 7502^2 + 6580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139499 + ... + 140210.

It is an arithmetic number, because the mean of its divisors is an integer number (14684775).

Almost surely, 2^99576404 is an apocalyptic number.

It is an amenable number.

99576404 is a deficient number, since it is larger than the sum of its proper divisors (76640896).

99576404 is a wasteful number, since it uses less digits than its factorization.

99576404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279802 (or 279800 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 99576404 is about 9978.7977231729. The cubic root of 99576404 is about 463.5025696263.

It can be divided in two parts, 9957 and 6404, that added together give a palindrome (16361).

The spelling of 99576404 in words is "ninety-nine million, five hundred seventy-six thousand, four hundred four".