1394997 has 4 divisors (see below), whose sum is σ = 1860000. Its totient is φ = 929996.

The previous prime is 1394993. The next prime is 1395001. The reversal of 1394997 is 7994931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1394993) and next prime (1395001).

It is a cyclic number.

It is not a de Polignac number, because 1394997 - 2² = 1394993 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232497 + ... + 232502.

It is an arithmetic number, because the mean of its divisors is an integer number (465000).

2^1394997 is an apocalyptic number.

It is an amenable number.

1394997 is a deficient number, since it is larger than the sum of its proper divisors (465003).

1394997 is an equidigital number, since it uses as much as digits as its factorization.

1394997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465002.

The product of its digits is 61236, while the sum is 42.

The square root of 1394997 is about 1181.0999110998. The cubic root of 1394997 is about 111.7354779962.

The spelling of 1394997 in words is "one million, three hundred ninety-four thousand, nine hundred ninety-seven".