1394788 has 12 divisors (see below), whose sum is σ = 2457532. Its totient is φ = 692640.

The previous prime is 1394777. The next prime is 1394821. The reversal of 1394788 is 8874931.

It can be written as a sum of positive squares in 2 ways, for example, as 675684 + 719104 = 822^2 + 848^2 .

It is a super-3 number, since 3×1394788³ = 8140402173543335616, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1394788.

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, 483 + ... + 1738.

2^1394788 is an apocalyptic number.

It is an amenable number.

1394788 is a deficient number, since it is larger than the sum of its proper divisors (1062744).

1394788 is a wasteful number, since it uses less digits than its factorization.

1394788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382 (or 2380 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 1394788 is about 1181.0114309354. The cubic root of 1394788 is about 111.7298976064.

The spelling of 1394788 in words is "one million, three hundred ninety-four thousand, seven hundred eighty-eight".