2398442 has 8 divisors (see below), whose sum is σ = 3605796. Its totient is φ = 1196512.

The previous prime is 2398441. The next prime is 2398471. The reversal of 2398442 is 2448932.

It can be written as a sum of positive squares in 2 ways, for example, as 1852321 + 546121 = 1361^2 + 739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2398399 and 2398408.

It is not an unprimeable number, because it can be changed into a prime (2398441) 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, 38 + ... + 2190.

2^2398442 is an apocalyptic number.

2398442 is a deficient number, since it is larger than the sum of its proper divisors (1207354).

2398442 is a wasteful number, since it uses less digits than its factorization.

2398442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 13824, while the sum is 32.

The square root of 2398442 is about 1548.6904145116. The cubic root of 2398442 is about 133.8576121746.

The spelling of 2398442 in words is "two million, three hundred ninety-eight thousand, four hundred forty-two".