98521894 has 4 divisors (see below), whose sum is σ = 147782844. Its totient is φ = 49260946.

The previous prime is 98521883. The next prime is 98521909. The reversal of 98521894 is 49812589.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49812589 = 281 ⋅177269.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24630472 + ... + 24630475.

It is an arithmetic number, because the mean of its divisors is an integer number (36945711).

Almost surely, 2^98521894 is an apocalyptic number.

98521894 is a deficient number, since it is larger than the sum of its proper divisors (49260950).

98521894 is a wasteful number, since it uses less digits than its factorization.

98521894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49260949.

The product of its digits is 207360, while the sum is 46.

The square root of 98521894 is about 9925.8195631394. The cubic root of 98521894 is about 461.8606021100.

The spelling of 98521894 in words is "ninety-eight million, five hundred twenty-one thousand, eight hundred ninety-four".