1394988 has 24 divisors (see below), whose sum is σ = 3720192. Its totient is φ = 398544.

The previous prime is 1394983. The next prime is 1394989. The reversal of 1394988 is 8894931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1394983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8220 + ... + 8387.

It is an arithmetic number, because the mean of its divisors is an integer number (155008).

2^1394988 is an apocalyptic number.

It is an amenable number.

1394988 is an abundant number, since it is smaller than the sum of its proper divisors (2325204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394988 is a wasteful number, since it uses less digits than its factorization.

1394988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16621 (or 16619 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 1394988 is about 1181.0961010858. The cubic root of 1394988 is about 111.7352377038.

The spelling of 1394988 in words is "one million, three hundred ninety-four thousand, nine hundred eighty-eight".