1497397 has 8 divisors (see below), whose sum is σ = 1644192. Its totient is φ = 1352400.

The previous prime is 1497359. The next prime is 1497407. The reversal of 1497397 is 7937941.

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

It is a cyclic number.

It is not a de Polignac number, because 1497397 - 2¹¹ = 1495349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1497317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1822 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (205524).

2^1497397 is an apocalyptic number.

It is an amenable number.

1497397 is a deficient number, since it is larger than the sum of its proper divisors (146795).

1497397 is a wasteful number, since it uses less digits than its factorization.

1497397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its digits is 47628, while the sum is 40.

The square root of 1497397 is about 1223.6817396693. The cubic root of 1497397 is about 114.4051705570.

The spelling of 1497397 in words is "one million, four hundred ninety-seven thousand, three hundred ninety-seven".