99718946 has 4 divisors (see below), whose sum is σ = 149578422. Its totient is φ = 49859472.

The previous prime is 99718919. The next prime is 99718979. The reversal of 99718946 is 64981799.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65788321 + 33930625 = 8111^2 + 5825^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24929735 + ... + 24929738.

Almost surely, 2^99718946 is an apocalyptic number.

99718946 is a deficient number, since it is larger than the sum of its proper divisors (49859476).

99718946 is a wasteful number, since it uses less digits than its factorization.

99718946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49859475.

The product of its digits is 979776, while the sum is 53.

The square root of 99718946 is about 9985.9374121812. The cubic root of 99718946 is about 463.7236296376.

The spelling of 99718946 in words is "ninety-nine million, seven hundred eighteen thousand, nine hundred forty-six".