99331894 has 16 divisors (see below), whose sum is σ = 155704320. Its totient is φ = 47436840.

The previous prime is 99331891. The next prime is 99331909. The reversal of 99331894 is 49813399.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99331891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44497 + ... + 46675.

It is an arithmetic number, because the mean of its divisors is an integer number (9731520).

Almost surely, 2^99331894 is an apocalyptic number.

99331894 is a deficient number, since it is larger than the sum of its proper divisors (56372426).

99331894 is a wasteful number, since it uses less digits than its factorization.

99331894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195.

The product of its digits is 209952, while the sum is 46.

The square root of 99331894 is about 9966.5387171274. The cubic root of 99331894 is about 463.1228816113.

The spelling of 99331894 in words is "ninety-nine million, three hundred thirty-one thousand, eight hundred ninety-four".