99031384 has 16 divisors (see below), whose sum is σ = 187021800. Its totient is φ = 49158912.

The previous prime is 99031381. The next prime is 99031403. The reversal of 99031384 is 48313099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99031381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43417 + ... + 45640.

Almost surely, 2^99031384 is an apocalyptic number.

It is an amenable number.

99031384 is a deficient number, since it is larger than the sum of its proper divisors (87990416).

99031384 is a wasteful number, since it uses less digits than its factorization.

99031384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89202 (or 89198 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 99031384 is about 9951.4513514361. The cubic root of 99031384 is about 462.6553793982.

The spelling of 99031384 in words is "ninety-nine million, thirty-one thousand, three hundred eighty-four".