98987810 has 16 divisors (see below), whose sum is σ = 180838656. Its totient is φ = 39003888.

The previous prime is 98987807. The next prime is 98987813. The reversal of 98987810 is 1878989.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (98987807) and next prime (98987813).

It is a super-2 number, since 2×98987810² = 19597173057192200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (98987813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73202 + ... + 74541.

It is an arithmetic number, because the mean of its divisors is an integer number (11302416).

Almost surely, 2^98987810 is an apocalyptic number.

98987810 is a deficient number, since it is larger than the sum of its proper divisors (81850846).

98987810 is a wasteful number, since it uses less digits than its factorization.

98987810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147817.

The product of its (nonzero) digits is 290304, while the sum is 50.

The square root of 98987810 is about 9949.2617816600. The cubic root of 98987810 is about 462.5875130236.

The spelling of 98987810 in words is "ninety-eight million, nine hundred eighty-seven thousand, eight hundred ten".