98987670 has 40 divisors (see below), whose sum is σ = 266169024. Its totient is φ = 26396496.

The previous prime is 98987657. The next prime is 98987671. The reversal of 98987670 is 7678989.

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98987671) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60294 + ... + 61913.

Almost surely, 2^98987670 is an apocalyptic number.

98987670 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

98987670 is an abundant number, since it is smaller than the sum of its proper divisors (167181354).

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

98987670 is a wasteful number, since it uses less digits than its factorization.

98987670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122226 (or 122217 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 98987670 is about 9949.2547459596. The cubic root of 98987670 is about 462.5872949419.

The spelling of 98987670 in words is "ninety-eight million, nine hundred eighty-seven thousand, six hundred seventy".