1393497 has 32 divisors (see below), whose sum is σ = 2415360. Its totient is φ = 777600.

The previous prime is 1393493. The next prime is 1393523. The reversal of 1393497 is 7943931.

It is not a de Polignac number, because 1393497 - 2² = 1393493 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1393493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13747 + ... + 13847.

It is an arithmetic number, because the mean of its divisors is an integer number (75480).

2^1393497 is an apocalyptic number.

It is an amenable number.

1393497 is a deficient number, since it is larger than the sum of its proper divisors (1021863).

1393497 is a wasteful number, since it uses less digits than its factorization.

1393497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 1393497 is about 1180.4647389905. The cubic root of 1393497 is about 111.6954149887.

The spelling of 1393497 in words is "one million, three hundred ninety-three thousand, four hundred ninety-seven".