98400724 has 12 divisors (see below), whose sum is σ = 173068000. Its totient is φ = 48952728.

The previous prime is 98400721. The next prime is 98400737. The reversal of 98400724 is 42700489.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 98400724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98400721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61014 + ... + 62605.

Almost surely, 2^98400724 is an apocalyptic number.

It is an amenable number.

98400724 is a deficient number, since it is larger than the sum of its proper divisors (74667276).

98400724 is a wasteful number, since it uses less digits than its factorization.

98400724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123822 (or 123820 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 98400724 is about 9919.7139071649. The cubic root of 98400724 is about 461.6711802281.

The spelling of 98400724 in words is "ninety-eight million, four hundred thousand, seven hundred twenty-four".