990296715 has 16 divisors (see below), whose sum is σ = 1591055136. Its totient is φ = 525964800.

The previous prime is 990296687. The next prime is 990296729. The reversal of 990296715 is 517692099.

It is not a de Polignac number, because 990296715 - 2¹⁵ = 990263947 is a prime.

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, 133356 + ... + 140585.

It is an arithmetic number, because the mean of its divisors is an integer number (99440946).

Almost surely, 2^990296715 is an apocalyptic number.

990296715 is a deficient number, since it is larger than the sum of its proper divisors (600758421).

990296715 is a wasteful number, since it uses less digits than its factorization.

990296715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274190.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 990296715 is about 31468.9802027330. The cubic root of 990296715 is about 996.7550533775.

The spelling of 990296715 in words is "nine hundred ninety million, two hundred ninety-six thousand, seven hundred fifteen".