98974640 has 40 divisors (see below), whose sum is σ = 231309600. Its totient is φ = 39384576.

The previous prime is 98974637. The next prime is 98974643. The reversal of 98974640 is 4647989.

It is an interprime number because it is at equal distance from previous prime (98974637) and next prime (98974643).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (98974643) 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, 12812 + ... + 19028.

It is an arithmetic number, because the mean of its divisors is an integer number (5782740).

Almost surely, 2^98974640 is an apocalyptic number.

It is an amenable number.

98974640 is an abundant number, since it is smaller than the sum of its proper divisors (132334960).

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

98974640 is a wasteful number, since it uses less digits than its factorization.

98974640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6423 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 98974640 is about 9948.5999014937. The cubic root of 98974640 is about 462.5669968686.

The spelling of 98974640 in words is "ninety-eight million, nine hundred seventy-four thousand, six hundred forty".