98930861 has 6 divisors (see below), whose sum is σ = 102397710. Its totient is φ = 95467736.

The previous prime is 98930833. The next prime is 98930873. The reversal of 98930861 is 16803989.

It can be written as a sum of positive squares in only one way, i.e., 85285225 + 13645636 = 9235^2 + 3694^2 .

It is not a de Polignac number, because 98930861 - 2¹⁴ = 98914477 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 (98930801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52640 + ... + 54486.

It is an arithmetic number, because the mean of its divisors is an integer number (17066285).

Almost surely, 2^98930861 is an apocalyptic number.

It is an amenable number.

98930861 is a deficient number, since it is larger than the sum of its proper divisors (3466849).

98930861 is an frugal number, since it uses more digits than its factorization.

98930861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723 (or 1876 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 98930861 is about 9946.3993987774. The cubic root of 98930861 is about 462.4987850954.

The spelling of 98930861 in words is "ninety-eight million, nine hundred thirty thousand, eight hundred sixty-one".