98941391 has 4 divisors (see below), whose sum is σ = 99596784. Its totient is φ = 98286000.

The previous prime is 98941387. The next prime is 98941397. The reversal of 98941391 is 19314989.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98941391 - 2² = 98941387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98941397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327470 + ... + 327771.

It is an arithmetic number, because the mean of its divisors is an integer number (24899196).

Almost surely, 2^98941391 is an apocalyptic number.

98941391 is a deficient number, since it is larger than the sum of its proper divisors (655393).

98941391 is a wasteful number, since it uses less digits than its factorization.

98941391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655392.

The product of its digits is 69984, while the sum is 44.

The square root of 98941391 is about 9946.9287219724. The cubic root of 98941391 is about 462.5151936572.

The spelling of 98941391 in words is "ninety-eight million, nine hundred forty-one thousand, three hundred ninety-one".