1388984 has 16 divisors (see below), whose sum is σ = 2694600. Its totient is φ = 670432.

The previous prime is 1388969. The next prime is 1389001. The reversal of 1388984 is 4898831.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762 + ... + 3225.

2^1388984 is an apocalyptic number.

It is an amenable number.

1388984 is a deficient number, since it is larger than the sum of its proper divisors (1305616).

1388984 is a wasteful number, since it uses less digits than its factorization.

1388984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022 (or 6018 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 1388984 is about 1178.5516535138. The cubic root of 1388984 is about 111.5747051094.

The spelling of 1388984 in words is "one million, three hundred eighty-eight thousand, nine hundred eighty-four".