98031621 has 8 divisors (see below), whose sum is σ = 137588320. Its totient is φ = 61914672.

The previous prime is 98031601. The next prime is 98031667. The reversal of 98031621 is 12613089.

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

It is not a de Polignac number, because 98031621 - 2¹⁴ = 98015237 is a prime.

It is a super-2 number, since 2×98031621² = 19220397431775282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98031601) 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, 859870 + ... + 859983.

It is an arithmetic number, because the mean of its divisors is an integer number (17198540).

Almost surely, 2^98031621 is an apocalyptic number.

It is an amenable number.

98031621 is a deficient number, since it is larger than the sum of its proper divisors (39556699).

98031621 is a wasteful number, since it uses less digits than its factorization.

98031621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719875.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 98031621 is about 9901.0919094815. The cubic root of 98031621 is about 461.0932111544.

The spelling of 98031621 in words is "ninety-eight million, thirty-one thousand, six hundred twenty-one".