99390712 has 32 divisors (see below), whose sum is σ = 196485120. Its totient is φ = 47063520.

The previous prime is 99390689. The next prime is 99390713. The reversal of 99390712 is 21709399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99390713) 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, 7393 + ... + 15919.

It is an arithmetic number, because the mean of its divisors is an integer number (6140160).

Almost surely, 2^99390712 is an apocalyptic number.

It is an amenable number.

99390712 is a deficient number, since it is larger than the sum of its proper divisors (97094408).

99390712 is a wasteful number, since it uses less digits than its factorization.

99390712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611 (or 8607 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 99390712 is about 9969.4890541090. The cubic root of 99390712 is about 463.2142741665.

The spelling of 99390712 in words is "ninety-nine million, three hundred ninety thousand, seven hundred twelve".