4098321 has 12 divisors (see below), whose sum is σ = 5937360. Its totient is φ = 2724120.

The previous prime is 4098313. The next prime is 4098337. The reversal of 4098321 is 1238904.

It is not a de Polignac number, because 4098321 - 2³ = 4098313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4098371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5586 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (494780).

Almost surely, 2^4098321 is an apocalyptic number.

It is an amenable number.

4098321 is a deficient number, since it is larger than the sum of its proper divisors (1839039).

4098321 is a wasteful number, since it uses less digits than its factorization.

4098321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 4098321 is about 2024.4310311789. The cubic root of 4098321 is about 160.0302156476.

The spelling of 4098321 in words is "four million, ninety-eight thousand, three hundred twenty-one".