11742438 has 16 divisors (see below), whose sum is σ = 23627520. Its totient is φ = 3890376.

The previous prime is 11742421. The next prime is 11742457. The reversal of 11742438 is 83424711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858 + ... + 6861.

It is an arithmetic number, because the mean of its divisors is an integer number (1476720).

Almost surely, 2^11742438 is an apocalyptic number.

11742438 is an abundant number, since it is smaller than the sum of its proper divisors (11885082).

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

11742438 is a wasteful number, since it uses less digits than its factorization.

11742438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11891.

The product of its digits is 5376, while the sum is 30.

The square root of 11742438 is about 3426.7240916070. The cubic root of 11742438 is about 227.2930162639.

The spelling of 11742438 in words is "eleven million, seven hundred forty-two thousand, four hundred thirty-eight".