98399725 has 6 divisors (see below), whose sum is σ = 122015690. Its totient is φ = 78719760.

The previous prime is 98399659. The next prime is 98399731. The reversal of 98399725 is 52799389.

It can be written as a sum of positive squares in 3 ways, for example, as 3493161 + 94906564 = 1869^2 + 9742^2 .

It is not a de Polignac number, because 98399725 - 2⁷ = 98399597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1967970 + ... + 1968019.

Almost surely, 2^98399725 is an apocalyptic number.

It is an amenable number.

98399725 is a deficient number, since it is larger than the sum of its proper divisors (23615965).

98399725 is a wasteful number, since it uses less digits than its factorization.

98399725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935999 (or 3935994 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 52.

The square root of 98399725 is about 9919.6635527623. The cubic root of 98399725 is about 461.6696178715.

The spelling of 98399725 in words is "ninety-eight million, three hundred ninety-nine thousand, seven hundred twenty-five".