1394497 has 4 divisors (see below), whose sum is σ = 1501780. Its totient is φ = 1287216.

The previous prime is 1394489. The next prime is 1394501. The reversal of 1394497 is 7944931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69696 + 1324801 = 264^2 + 1151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1394497 - 2³ = 1394489 is a prime.

It is a Duffinian number.

1394497 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1394417) 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, 53622 + ... + 53647.

It is an arithmetic number, because the mean of its divisors is an integer number (375445).

2^1394497 is an apocalyptic number.

It is an amenable number.

1394497 is a deficient number, since it is larger than the sum of its proper divisors (107283).

1394497 is a wasteful number, since it uses less digits than its factorization.

1394497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107282.

The product of its digits is 27216, while the sum is 37.

The square root of 1394497 is about 1180.8882250239. Note that the first 3 decimals coincide. The cubic root of 1394497 is about 111.7221268528.

It can be divided in two parts, 13944 and 97, that added together give a palindrome (14041).

The spelling of 1394497 in words is "one million, three hundred ninety-four thousand, four hundred ninety-seven".