98894638 has 4 divisors (see below), whose sum is σ = 148341960. Its totient is φ = 49447318.

The previous prime is 98894573. The next prime is 98894647. The reversal of 98894638 is 83649889.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83649889 = 907 ⋅92227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24723658 + ... + 24723661.

It is an arithmetic number, because the mean of its divisors is an integer number (37085490).

Almost surely, 2^98894638 is an apocalyptic number.

98894638 is a deficient number, since it is larger than the sum of its proper divisors (49447322).

98894638 is a wasteful number, since it uses less digits than its factorization.

98894638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49447321.

The product of its digits is 2985984, while the sum is 55.

The square root of 98894638 is about 9944.5783218797. The cubic root of 98894638 is about 462.4423310613.

The spelling of 98894638 in words is "ninety-eight million, eight hundred ninety-four thousand, six hundred thirty-eight".