98139574 has 16 divisors (see below), whose sum is σ = 165426912. Its totient is φ = 43325568.

The previous prime is 98139571. The next prime is 98139593. The reversal of 98139574 is 47593189.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98139571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81459 + ... + 82654.

It is an arithmetic number, because the mean of its divisors is an integer number (10339182).

Almost surely, 2^98139574 is an apocalyptic number.

98139574 is a deficient number, since it is larger than the sum of its proper divisors (67287338).

98139574 is a wasteful number, since it uses less digits than its factorization.

98139574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164151.

The product of its digits is 272160, while the sum is 46.

The square root of 98139574 is about 9906.5419799242. The cubic root of 98139574 is about 461.2624019207.

The spelling of 98139574 in words is "ninety-eight million, one hundred thirty-nine thousand, five hundred seventy-four".