1138886 has 8 divisors (see below), whose sum is σ = 1952400. Its totient is φ = 488088.

The previous prime is 1138883. The next prime is 1138901. The reversal of 1138886 is 6888311.

It is a happy number.

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

It is a super-2 number, since 2×1138886² = 2594122641992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138883) 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, 40661 + ... + 40688.

It is an arithmetic number, because the mean of its divisors is an integer number (244050).

2^1138886 is an apocalyptic number.

1138886 is a deficient number, since it is larger than the sum of its proper divisors (813514).

1138886 is an equidigital number, since it uses as much as digits as its factorization.

1138886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81358.

The product of its digits is 9216, while the sum is 35.

The square root of 1138886 is about 1067.1860193987. The cubic root of 1138886 is about 104.4303543020.

The spelling of 1138886 in words is "one million, one hundred thirty-eight thousand, eight hundred eighty-six".