99311494 has 8 divisors (see below), whose sum is σ = 149031720. Its totient is φ = 49634256.

The previous prime is 99311491. The next prime is 99311503. The reversal of 99311494 is 49411399.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99311491) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4164 + ... + 14695.

It is an arithmetic number, because the mean of its divisors is an integer number (18628965).

Almost surely, 2^99311494 is an apocalyptic number.

99311494 is a deficient number, since it is larger than the sum of its proper divisors (49720226).

99311494 is a wasteful number, since it uses less digits than its factorization.

99311494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21494.

The product of its digits is 34992, while the sum is 40.

The square root of 99311494 is about 9965.5152400666. The cubic root of 99311494 is about 463.0911752672.

The spelling of 99311494 in words is "ninety-nine million, three hundred eleven thousand, four hundred ninety-four".