98639670 has 16 divisors (see below), whose sum is σ = 236735280. Its totient is φ = 26303904.

The previous prime is 98639647. The next prime is 98639707. The reversal of 98639670 is 7693689.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643965 + ... + 1644024.

It is an arithmetic number, because the mean of its divisors is an integer number (14795955).

Almost surely, 2^98639670 is an apocalyptic number.

98639670 is an abundant number, since it is smaller than the sum of its proper divisors (138095610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98639670 is a wasteful number, since it uses less digits than its factorization.

98639670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287999.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 98639670 is about 9931.7506009766. The cubic root of 98639670 is about 462.0445694526.

The spelling of 98639670 in words is "ninety-eight million, six hundred thirty-nine thousand, six hundred seventy".