98791247 has 4 divisors (see below), whose sum is σ = 99076296. Its totient is φ = 98506200.

The previous prime is 98791223. The next prime is 98791249. The reversal of 98791247 is 74219789.

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 98791247 - 2⁶ = 98791183 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 (98791249) 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, 142004 + ... + 142697.

It is an arithmetic number, because the mean of its divisors is an integer number (24769074).

Almost surely, 2^98791247 is an apocalyptic number.

98791247 is a deficient number, since it is larger than the sum of its proper divisors (285049).

98791247 is a wasteful number, since it uses less digits than its factorization.

98791247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285048.

The product of its digits is 254016, while the sum is 47.

The square root of 98791247 is about 9939.3786023071. The cubic root of 98791247 is about 462.2811189277.

The spelling of 98791247 in words is "ninety-eight million, seven hundred ninety-one thousand, two hundred forty-seven".