99409494 has 16 divisors (see below), whose sum is σ = 199001520. Its totient is φ = 33106080.

The previous prime is 99409487. The next prime is 99409547. The reversal of 99409494 is 49490499.

It is a congruent number.

It is an unprimeable number.

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, 72 + ... + 14100.

It is an arithmetic number, because the mean of its divisors is an integer number (12437595).

Almost surely, 2^99409494 is an apocalyptic number.

99409494 is an abundant number, since it is smaller than the sum of its proper divisors (99592026).

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

99409494 is a wasteful number, since it uses less digits than its factorization.

99409494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 99409494 is about 9970.4309836636. The cubic root of 99409494 is about 463.2434504090.

The spelling of 99409494 in words is "ninety-nine million, four hundred nine thousand, four hundred ninety-four".