98171647 has 12 divisors (see below), whose sum is σ = 114636576. Its totient is φ = 83825280.

The previous prime is 98171639. The next prime is 98171657. The reversal of 98171647 is 74617189.

It is not a de Polignac number, because 98171647 - 2³ = 98171639 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 (98171657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9583 + ... + 16975.

It is an arithmetic number, because the mean of its divisors is an integer number (9553048).

Almost surely, 2^98171647 is an apocalyptic number.

98171647 is a deficient number, since it is larger than the sum of its proper divisors (16464929).

98171647 is a wasteful number, since it uses less digits than its factorization.

98171647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678 (or 7671 counting only the distinct ones).

The product of its digits is 84672, while the sum is 43.

The square root of 98171647 is about 9908.1606264735. The cubic root of 98171647 is about 461.3126448455.

The spelling of 98171647 in words is "ninety-eight million, one hundred seventy-one thousand, six hundred forty-seven".