99990698 has 8 divisors (see below), whose sum is σ = 150037920. Its totient is φ = 49978060.

The previous prime is 99990679. The next prime is 99990703. The reversal of 99990698 is 89609999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533 + ... + 14151.

It is an arithmetic number, because the mean of its divisors is an integer number (18754740).

Almost surely, 2^99990698 is an apocalyptic number.

99990698 is a deficient number, since it is larger than the sum of its proper divisors (50047222).

99990698 is a wasteful number, since it uses less digits than its factorization.

99990698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17292.

The product of its (nonzero) digits is 2834352, while the sum is 59.

The square root of 99990698 is about 9999.5348891836. The cubic root of 99990698 is about 464.1444908952.

The spelling of 99990698 in words is "ninety-nine million, nine hundred ninety thousand, six hundred ninety-eight".