1138344 has 16 divisors (see below), whose sum is σ = 2845920. Its totient is φ = 379440.

The previous prime is 1138273. The next prime is 1138363. The reversal of 1138344 is 4438311.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 47431 = 1138344 / (1 + 1 + 3 + 8 + 3 + 4 + 4).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23692 + ... + 23739.

It is an arithmetic number, because the mean of its divisors is an integer number (177870).

2^1138344 is an apocalyptic number.

It is an amenable number.

1138344 is an abundant number, since it is smaller than the sum of its proper divisors (1707576).

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

1138344 is a wasteful number, since it uses less digits than its factorization.

1138344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47440 (or 47436 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 1138344 is about 1066.9320503200. The cubic root of 1138344 is about 104.4137854112.

The spelling of 1138344 in words is "one million, one hundred thirty-eight thousand, three hundred forty-four".