99999298 has 12 divisors (see below), whose sum is σ = 174488742. Its totient is φ = 42856800.

The previous prime is 99999259. The next prime is 99999307. The reversal of 99999298 is 89299999.

It can be written as a sum of positive squares in only one way, i.e., 71622369 + 28376929 = 8463^2 + 5327^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510103 + ... + 510298.

Almost surely, 2^99999298 is an apocalyptic number.

99999298 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

99999298 is a deficient number, since it is larger than the sum of its proper divisors (74489444).

99999298 is a wasteful number, since it uses less digits than its factorization.

99999298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020417 (or 1020410 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 64.

The square root of 99999298 is about 9999.9648999384. The cubic root of 99999298 is about 464.1577972269.

The spelling of 99999298 in words is "ninety-nine million, nine hundred ninety-nine thousand, two hundred ninety-eight".