98998742 has 4 divisors (see below), whose sum is σ = 148498116. Its totient is φ = 49499370.

The previous prime is 98998709. The next prime is 98998747. The reversal of 98998742 is 24789989.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98998747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24749684 + ... + 24749687.

It is an arithmetic number, because the mean of its divisors is an integer number (37124529).

Almost surely, 2^98998742 is an apocalyptic number.

98998742 is a deficient number, since it is larger than the sum of its proper divisors (49499374).

98998742 is a wasteful number, since it uses less digits than its factorization.

98998742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49499373.

The product of its digits is 2612736, while the sum is 56.

The square root of 98998742 is about 9949.8111539868. The cubic root of 98998742 is about 462.6045414521.

The spelling of 98998742 in words is "ninety-eight million, nine hundred ninety-eight thousand, seven hundred forty-two".