98261921 has 8 divisors (see below), whose sum is σ = 104838624. Its totient is φ = 91773760.

The previous prime is 98261903. The next prime is 98261927. The reversal of 98261921 is 12916289.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98261921 - 2⁶ = 98261857 is a prime.

It is a super-2 number, since 2×98261921² = 19310810237220482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98261927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19835 + ... + 24288.

It is an arithmetic number, because the mean of its divisors is an integer number (13104828).

Almost surely, 2^98261921 is an apocalyptic number.

It is an amenable number.

98261921 is a deficient number, since it is larger than the sum of its proper divisors (6576703).

98261921 is a wasteful number, since it uses less digits than its factorization.

98261921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44271.

The product of its digits is 15552, while the sum is 38.

The square root of 98261921 is about 9912.7151174640. The cubic root of 98261921 is about 461.4540019505.

The spelling of 98261921 in words is "ninety-eight million, two hundred sixty-one thousand, nine hundred twenty-one".