4098239 has 4 divisors (see below), whose sum is σ = 4108440. Its totient is φ = 4088040.

The previous prime is 4098233. The next prime is 4098247. The reversal of 4098239 is 9328904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4098239 - 2¹⁶ = 4032703 is a prime.

It is a super-2 number, since 2×4098239² = 33591125802242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 4098199 and 4098208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4098233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4472 + ... + 5309.

It is an arithmetic number, because the mean of its divisors is an integer number (1027110).

Almost surely, 2^4098239 is an apocalyptic number.

4098239 is a deficient number, since it is larger than the sum of its proper divisors (10201).

4098239 is an equidigital number, since it uses as much as digits as its factorization.

4098239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 4098239 is about 2024.4107784736. The cubic root of 4098239 is about 160.0291483354.

The spelling of 4098239 in words is "four million, ninety-eight thousand, two hundred thirty-nine".