98993642 has 16 divisors (see below), whose sum is σ = 162670464. Its totient is φ = 44808000.

The previous prime is 98993599. The next prime is 98993651. The reversal of 98993642 is 24639989.

It is a super-4 number, since 4×98993642⁴ (a number of 33 digits) contains 4444 as substring.

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, 4034 + ... + 14637.

It is an arithmetic number, because the mean of its divisors is an integer number (10166904).

Almost surely, 2^98993642 is an apocalyptic number.

98993642 is a deficient number, since it is larger than the sum of its proper divisors (63676822).

98993642 is a wasteful number, since it uses less digits than its factorization.

98993642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18925.

The product of its digits is 839808, while the sum is 50.

The square root of 98993642 is about 9949.5548644148. The cubic root of 98993642 is about 462.5965975004.

The spelling of 98993642 in words is "ninety-eight million, nine hundred ninety-three thousand, six hundred forty-two".