1397894 has 8 divisors (see below), whose sum is σ = 2188080. Its totient is φ = 668536.

The previous prime is 1397881. The next prime is 1397909. The reversal of 1397894 is 4987931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 15149 + ... + 15240.

It is an arithmetic number, because the mean of its divisors is an integer number (273510).

2^1397894 is an apocalyptic number.

1397894 is a deficient number, since it is larger than the sum of its proper divisors (790186).

1397894 is a wasteful number, since it uses less digits than its factorization.

1397894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30414.

The product of its digits is 54432, while the sum is 41.

The square root of 1397894 is about 1182.3256742539. The cubic root of 1397894 is about 111.8127717975.

The spelling of 1397894 in words is "one million, three hundred ninety-seven thousand, eight hundred ninety-four".