1138582 has 8 divisors (see below), whose sum is σ = 1737000. Its totient is φ = 559584.

The previous prime is 1138567. The next prime is 1138589. The reversal of 1138582 is 2858311.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1138582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138589) 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, 4707 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (217125).

2^1138582 is an apocalyptic number.

1138582 is a deficient number, since it is larger than the sum of its proper divisors (598418).

1138582 is an equidigital number, since it uses as much as digits as its factorization.

1138582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9710.

The product of its digits is 1920, while the sum is 28.

The square root of 1138582 is about 1067.0435792413. The cubic root of 1138582 is about 104.4210616971.

The spelling of 1138582 in words is "one million, one hundred thirty-eight thousand, five hundred eighty-two".