2398281 has 4 divisors (see below), whose sum is σ = 3197712. Its totient is φ = 1598852.

The previous prime is 2398273. The next prime is 2398289. The reversal of 2398281 is 1828932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2398273) and next prime (2398289).

It is a cyclic number.

It is not a de Polignac number, because 2398281 - 2³ = 2398273 is a prime.

It is a super-2 number, since 2×2398281² = 11503503509922, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2398289) 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, 399711 + ... + 399716.

It is an arithmetic number, because the mean of its divisors is an integer number (799428).

2^2398281 is an apocalyptic number.

It is an amenable number.

2398281 is a deficient number, since it is larger than the sum of its proper divisors (799431).

2398281 is an equidigital number, since it uses as much as digits as its factorization.

2398281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799430.

The product of its digits is 6912, while the sum is 33.

The square root of 2398281 is about 1548.6384342383. The cubic root of 2398281 is about 133.8546169583.

The spelling of 2398281 in words is "two million, three hundred ninety-eight thousand, two hundred eighty-one".