10098621 has 16 divisors (see below), whose sum is σ = 16112320. Its totient is φ = 6214320.

The previous prime is 10098581. The next prime is 10098631. The reversal of 10098621 is 12689001.

It is not a de Polignac number, because 10098621 - 2¹¹ = 10096573 is a prime.

It is a super-2 number, since 2×10098621² = 203964292203282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10098631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14035 + ... + 14736.

It is an arithmetic number, because the mean of its divisors is an integer number (1007020).

Almost surely, 2^10098621 is an apocalyptic number.

It is an amenable number.

10098621 is a deficient number, since it is larger than the sum of its proper divisors (6013699).

10098621 is a wasteful number, since it uses less digits than its factorization.

10098621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28793 (or 28787 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 10098621 is about 3177.8327520497. The cubic root of 10098621 is about 216.1493951047.

The spelling of 10098621 in words is "ten million, ninety-eight thousand, six hundred twenty-one".