98971851 has 16 divisors (see below), whose sum is σ = 146401920. Its totient is φ = 58965120.

The previous prime is 98971849. The next prime is 98971861. The reversal of 98971851 is 15817989.

It is not a de Polignac number, because 98971851 - 2¹ = 98971849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98971851.

It is not an unprimeable number, because it can be changed into a prime (98971811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23470 + ... + 27363.

It is an arithmetic number, because the mean of its divisors is an integer number (9150120).

Almost surely, 2^98971851 is an apocalyptic number.

98971851 is a deficient number, since it is larger than the sum of its proper divisors (47430069).

98971851 is a wasteful number, since it uses less digits than its factorization.

98971851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50906.

The product of its digits is 181440, while the sum is 48.

The square root of 98971851 is about 9948.4597300286. The cubic root of 98971851 is about 462.5626519460.

The spelling of 98971851 in words is "ninety-eight million, nine hundred seventy-one thousand, eight hundred fifty-one".