9900715 has 16 divisors (see below), whose sum is σ = 13724640. Its totient is φ = 6776320.

The previous prime is 9900697. The next prime is 9900733. The reversal of 9900715 is 5170099.

9900715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9900697) and next prime (9900733).

It is not a de Polignac number, because 9900715 - 2⁹ = 9900203 is a prime.

It is a super-2 number, since 2×9900715² = 196048315022450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4360 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (857790).

Almost surely, 2^9900715 is an apocalyptic number.

9900715 is a deficient number, since it is larger than the sum of its proper divisors (3823925).

9900715 is a wasteful number, since it uses less digits than its factorization.

9900715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10622.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 9900715 is about 3146.5401634176. The cubic root of 9900715 is about 214.7280860329.

The spelling of 9900715 in words is "nine million, nine hundred thousand, seven hundred fifteen".