98615947 has 16 divisors (see below), whose sum is σ = 107896320. Its totient is φ = 89812800.

The previous prime is 98615911. The next prime is 98615953. The reversal of 98615947 is 74951689.

It is a cyclic number.

It is not a de Polignac number, because 98615947 - 2²³ = 90227339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98615947.

It is not an unprimeable number, because it can be changed into a prime (98615977) 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, 54418 + ... + 56200.

It is an arithmetic number, because the mean of its divisors is an integer number (6743520).

Almost surely, 2^98615947 is an apocalyptic number.

98615947 is a deficient number, since it is larger than the sum of its proper divisors (9280373).

98615947 is a wasteful number, since it uses less digits than its factorization.

98615947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its digits is 544320, while the sum is 49.

The square root of 98615947 is about 9930.5562281274. The cubic root of 98615947 is about 462.0075256609.

The spelling of 98615947 in words is "ninety-eight million, six hundred fifteen thousand, nine hundred forty-seven".