1388914 has 4 divisors (see below), whose sum is σ = 2083374. Its totient is φ = 694456.

The previous prime is 1388887. The next prime is 1388927. The reversal of 1388914 is 4198831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 233289 = 1075^2 + 483^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1388914.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347227 + ... + 347230.

2^1388914 is an apocalyptic number.

1388914 is a deficient number, since it is larger than the sum of its proper divisors (694460).

1388914 is an equidigital number, since it uses as much as digits as its factorization.

1388914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694459.

The product of its digits is 6912, while the sum is 34.

The square root of 1388914 is about 1178.5219556716. The cubic root of 1388914 is about 111.5728307512.

The spelling of 1388914 in words is "one million, three hundred eighty-eight thousand, nine hundred fourteen".