99190478 has 16 divisors (see below), whose sum is σ = 159440400. Its totient is φ = 46114176.

The previous prime is 99190463. The next prime is 99190519. The reversal of 99190478 is 87409199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14753 + ... + 20396.

It is an arithmetic number, because the mean of its divisors is an integer number (9965025).

Almost surely, 2^99190478 is an apocalyptic number.

99190478 is a deficient number, since it is larger than the sum of its proper divisors (60249922).

99190478 is a wasteful number, since it uses less digits than its factorization.

99190478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35251.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 99190478 is about 9959.4416510164. The cubic root of 99190478 is about 462.9029989279.

The spelling of 99190478 in words is "ninety-nine million, one hundred ninety thousand, four hundred seventy-eight".