1138684 has 12 divisors (see below), whose sum is σ = 2079504. Its totient is φ = 544544.

The previous prime is 1138681. The next prime is 1138703. The reversal of 1138684 is 4868311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138681) 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, 6097 + ... + 6280.

It is an arithmetic number, because the mean of its divisors is an integer number (173292).

2^1138684 is an apocalyptic number.

It is an amenable number.

1138684 is a deficient number, since it is larger than the sum of its proper divisors (940820).

1138684 is a wasteful number, since it uses less digits than its factorization.

1138684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404 (or 12402 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 1138684 is about 1067.0913737820. The cubic root of 1138684 is about 104.4241797949.

It can be divided in two parts, 11 and 38684, that multiplied together give a palindrome (425524).

The spelling of 1138684 in words is "one million, one hundred thirty-eight thousand, six hundred eighty-four".