11398042 has 4 divisors (see below), whose sum is σ = 17097066. Its totient is φ = 5699020.

The previous prime is 11398039. The next prime is 11398063. The reversal of 11398042 is 24089311.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 9054081 + 2343961 = 3009^2 + 1531^2 .

It is a super-2 number, since 2×11398042² = 259830722867528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11398042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2849509 + ... + 2849512.

Almost surely, 2^11398042 is an apocalyptic number.

11398042 is a deficient number, since it is larger than the sum of its proper divisors (5699024).

11398042 is an equidigital number, since it uses as much as digits as its factorization.

11398042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699023.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 11398042 is about 3376.0986359998. The cubic root of 11398042 is about 225.0488256179.

The spelling of 11398042 in words is "eleven million, three hundred ninety-eight thousand, forty-two".