1388956 has 6 divisors (see below), whose sum is σ = 2430680. Its totient is φ = 694476.

The previous prime is 1388953. The next prime is 1388963. The reversal of 1388956 is 6598831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173616 + ... + 173623.

2^1388956 is an apocalyptic number.

It is an amenable number.

1388956 is a deficient number, since it is larger than the sum of its proper divisors (1041724).

1388956 is a wasteful number, since it uses less digits than its factorization.

1388956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347243 (or 347241 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 1388956 is about 1178.5397744667. The cubic root of 1388956 is about 111.5739553736.

The spelling of 1388956 in words is "one million, three hundred eighty-eight thousand, nine hundred fifty-six".