98998570 has 24 divisors (see below), whose sum is σ = 195872292. Its totient is φ = 35999040.

The previous prime is 98998567. The next prime is 98998573. The reversal of 98998570 is 7589989.

It is an interprime number because it is at equal distance from previous prime (98998567) and next prime (98998573).

It can be written as a sum of positive squares in 2 ways, for example, as 85581001 + 13417569 = 9251^2 + 3663^2 .

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (98998573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39699 + ... + 42118.

Almost surely, 2^98998570 is an apocalyptic number.

98998570 is a deficient number, since it is larger than the sum of its proper divisors (96873722).

98998570 is a wasteful number, since it uses less digits than its factorization.

98998570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81846 (or 81835 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 98998570 is about 9949.8025106029. The cubic root of 98998570 is about 462.6042735429.

The spelling of 98998570 in words is "ninety-eight million, nine hundred ninety-eight thousand, five hundred seventy".