98856638 has 4 divisors (see below), whose sum is σ = 148284960. Its totient is φ = 49428318.

The previous prime is 98856631. The next prime is 98856689. The reversal of 98856638 is 83665889.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83665889 = 5087 ⋅16447.

It is a self number, because there is not a number n which added to its sum of digits gives 98856638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98856631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24714158 + ... + 24714161.

It is an arithmetic number, because the mean of its divisors is an integer number (37071240).

Almost surely, 2^98856638 is an apocalyptic number.

98856638 is a deficient number, since it is larger than the sum of its proper divisors (49428322).

98856638 is a wasteful number, since it uses less digits than its factorization.

98856638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49428321.

The product of its digits is 2488320, while the sum is 53.

The square root of 98856638 is about 9942.6675495060. The cubic root of 98856638 is about 462.3830927306.

The spelling of 98856638 in words is "ninety-eight million, eight hundred fifty-six thousand, six hundred thirty-eight".