99998610 has 32 divisors (see below), whose sum is σ = 245106432. Its totient is φ = 26098560.

The previous prime is 99998609. The next prime is 99998611. The reversal of 99998610 is 1689999.

It is an interprime number because it is at equal distance from previous prime (99998609) and next prime (99998611).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99998611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34051 + ... + 36870.

It is an arithmetic number, because the mean of its divisors is an integer number (7659576).

Almost surely, 2^99998610 is an apocalyptic number.

99998610 is an abundant number, since it is smaller than the sum of its proper divisors (145107822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99998610 is a wasteful number, since it uses less digits than its factorization.

99998610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70978.

The product of its (nonzero) digits is 314928, while the sum is 51.

The square root of 99998610 is about 9999.9304997585. The cubic root of 99998610 is about 464.1567327485.

The spelling of 99998610 in words is "ninety-nine million, nine hundred ninety-eight thousand, six hundred ten".