1397804 has 12 divisors (see below), whose sum is σ = 2480184. Its totient is φ = 689184.

The previous prime is 1397783. The next prime is 1397833. The reversal of 1397804 is 4087931.

It is a nialpdrome in base 11.

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, 2102 + ... + 2685.

It is an arithmetic number, because the mean of its divisors is an integer number (206682).

2^1397804 is an apocalyptic number.

It is an amenable number.

1397804 is a deficient number, since it is larger than the sum of its proper divisors (1082380).

1397804 is a wasteful number, since it uses less digits than its factorization.

1397804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864 (or 4862 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1397804 is about 1182.2876130621. The cubic root of 1397804 is about 111.8103721484.

The spelling of 1397804 in words is "one million, three hundred ninety-seven thousand, eight hundred four".