98940251 has 4 divisors (see below), whose sum is σ = 102131904. Its totient is φ = 95748600.

The previous prime is 98940157. The next prime is 98940253. The reversal of 98940251 is 15204989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15204989 = 2441 ⋅6229.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98940251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98940253) 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, 1595780 + ... + 1595841.

It is an arithmetic number, because the mean of its divisors is an integer number (25532976).

Almost surely, 2^98940251 is an apocalyptic number.

98940251 is a deficient number, since it is larger than the sum of its proper divisors (3191653).

98940251 is a wasteful number, since it uses less digits than its factorization.

98940251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191652.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 98940251 is about 9946.8714176871. The cubic root of 98940251 is about 462.5134172879.

The spelling of 98940251 in words is "ninety-eight million, nine hundred forty thousand, two hundred fifty-one".