99747384 has 32 divisors (see below), whose sum is σ = 272039040. Its totient is φ = 30226400.

The previous prime is 99747379. The next prime is 99747391. The reversal of 99747384 is 48374799.

It is a happy number.

It is a super-2 number, since 2×99747384² = 19899081229686912, which contains 22 as substring.

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, 188652 + ... + 189179.

It is an arithmetic number, because the mean of its divisors is an integer number (8501220).

Almost surely, 2^99747384 is an apocalyptic number.

It is an amenable number.

99747384 is an abundant number, since it is smaller than the sum of its proper divisors (172291656).

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

99747384 is a wasteful number, since it uses less digits than its factorization.

99747384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377851 (or 377847 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The square root of 99747384 is about 9987.3612130532. The cubic root of 99747384 is about 463.7677072501.

The spelling of 99747384 in words is "ninety-nine million, seven hundred forty-seven thousand, three hundred eighty-four".