99390752 has 12 divisors (see below), whose sum is σ = 195675606. Its totient is φ = 49695360.

The previous prime is 99390737. The next prime is 99390763. The reversal of 99390752 is 25709399.

It can be written as a sum of positive squares in only one way, i.e., 83101456 + 16289296 = 9116^2 + 4036^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552949 + ... + 1553012.

Almost surely, 2^99390752 is an apocalyptic number.

It is an amenable number.

99390752 is a deficient number, since it is larger than the sum of its proper divisors (96284854).

99390752 is a wasteful number, since it uses less digits than its factorization.

99390752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105971 (or 3105963 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 99390752 is about 9969.4910602297. The cubic root of 99390752 is about 463.2143363071.

The spelling of 99390752 in words is "ninety-nine million, three hundred ninety thousand, seven hundred fifty-two".