1397498 has 8 divisors (see below), whose sum is σ = 2140992. Its totient is φ = 683836.

The previous prime is 1397497. The next prime is 1397509. The reversal of 1397498 is 8947931.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1397491) 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, 7340 + ... + 7527.

It is an arithmetic number, because the mean of its divisors is an integer number (267624).

2^1397498 is an apocalyptic number.

1397498 is a deficient number, since it is larger than the sum of its proper divisors (743494).

1397498 is a wasteful number, since it uses less digits than its factorization.

1397498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14916.

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

The square root of 1397498 is about 1182.1581958435. The cubic root of 1397498 is about 111.8022125707.

The spelling of 1397498 in words is "one million, three hundred ninety-seven thousand, four hundred ninety-eight".