98921634 has 16 divisors (see below), whose sum is σ = 226106688. Its totient is φ = 28263312.

The previous prime is 98921621. The next prime is 98921671. The reversal of 98921634 is 43612989.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2355277 = 98921634 / (9 + 8 + 9 + 2 + 1 + 6 + 3 + 4).

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

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, 1177597 + ... + 1177680.

It is an arithmetic number, because the mean of its divisors is an integer number (14131668).

Almost surely, 2^98921634 is an apocalyptic number.

98921634 is an abundant number, since it is smaller than the sum of its proper divisors (127185054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98921634 is a wasteful number, since it uses less digits than its factorization.

98921634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355289.

The product of its digits is 93312, while the sum is 42.

The square root of 98921634 is about 9945.9355517719. The cubic root of 98921634 is about 462.4844059997.

The spelling of 98921634 in words is "ninety-eight million, nine hundred twenty-one thousand, six hundred thirty-four".