98212747 has 4 divisors (see below), whose sum is σ = 98362440. Its totient is φ = 98063056.

The previous prime is 98212739. The next prime is 98212759. The reversal of 98212747 is 74721289.

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 98212747 - 2³ = 98212739 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98212727) 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, 73858 + ... + 75175.

It is an arithmetic number, because the mean of its divisors is an integer number (24590610).

Almost surely, 2^98212747 is an apocalyptic number.

98212747 is a deficient number, since it is larger than the sum of its proper divisors (149693).

98212747 is a wasteful number, since it uses less digits than its factorization.

98212747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149692.

The product of its digits is 56448, while the sum is 40.

The square root of 98212747 is about 9910.2344573678. The cubic root of 98212747 is about 461.3770127324.

The spelling of 98212747 in words is "ninety-eight million, two hundred twelve thousand, seven hundred forty-seven".