2398131 has 24 divisors (see below), whose sum is σ = 3638544. Its totient is φ = 1520640.

The previous prime is 2398111. The next prime is 2398133. The reversal of 2398131 is 1318932.

It is not a de Polignac number, because 2398131 - 2¹⁰ = 2397107 is a prime.

It is a super-2 number, since 2×2398131² = 11502064586322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2398095 and 2398104.

It is not an unprimeable number, because it can be changed into a prime (2398133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24675 + ... + 24771.

It is an arithmetic number, because the mean of its divisors is an integer number (151606).

2^2398131 is an apocalyptic number.

2398131 is a deficient number, since it is larger than the sum of its proper divisors (1240413).

2398131 is a wasteful number, since it uses less digits than its factorization.

2398131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2398131 is about 1548.5900038422. The cubic root of 2398131 is about 133.8518262635.

The spelling of 2398131 in words is "two million, three hundred ninety-eight thousand, one hundred thirty-one".