98987472 has 30 divisors (see below), whose sum is σ = 277027842. Its totient is φ = 32995776.

The previous prime is 98987467. The next prime is 98987477. The reversal of 98987472 is 27478989.

98987472 is a `hidden beast` number, since 98 + 9 + 87 + 472 = 666.

It is an interprime number because it is at equal distance from previous prime (98987467) and next prime (98987477).

It can be written as a sum of positive squares in only one way, i.e., 90554256 + 8433216 = 9516^2 + 2904^2 .

It is a super-2 number, since 2×98987472² = 19597039225901568, which contains 22 as substring.

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 (98987477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 343563 + ... + 343850.

Almost surely, 2^98987472 is an apocalyptic number.

It is an amenable number.

98987472 is an abundant number, since it is smaller than the sum of its proper divisors (178040370).

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

98987472 is a wasteful number, since it uses less digits than its factorization.

98987472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687427 (or 687418 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 98987472 is about 9949.2447954606. The cubic root of 98987472 is about 462.5869865118.

The spelling of 98987472 in words is "ninety-eight million, nine hundred eighty-seven thousand, four hundred seventy-two".