11538342 has 32 divisors (see below), whose sum is σ = 27151200. Its totient is φ = 3619584.

The previous prime is 11538323. The next prime is 11538361. The reversal of 11538342 is 24383511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11538323) and next prime (11538361).

It is a super-2 number, since 2×11538342² = 266266672217928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5367 + ... + 7202.

It is an arithmetic number, because the mean of its divisors is an integer number (848475).

Almost surely, 2^11538342 is an apocalyptic number.

11538342 is an abundant number, since it is smaller than the sum of its proper divisors (15612858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11538342 is a wasteful number, since it uses less digits than its factorization.

11538342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12597 (or 12591 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 11538342 is about 3396.8135068031. The cubic root of 11538342 is about 225.9684478363.

The spelling of 11538342 in words is "eleven million, five hundred thirty-eight thousand, three hundred forty-two".