1397234 has 8 divisors (see below), whose sum is σ = 2116908. Its totient is φ = 691600.

The previous prime is 1397233. The next prime is 1397251. The reversal of 1397234 is 4327931.

It can be written as a sum of positive squares in 2 ways, for example, as 1216609 + 180625 = 1103^2 + 425^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1397197 and 1397206.

It is not an unprimeable number, because it can be changed into a prime (1397233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3257 + ... + 3660.

2^1397234 is an apocalyptic number.

1397234 is a deficient number, since it is larger than the sum of its proper divisors (719674).

1397234 is a wasteful number, since it uses less digits than its factorization.

1397234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7020.

The product of its digits is 4536, while the sum is 29.

The square root of 1397234 is about 1182.0465303870. The cubic root of 1397234 is about 111.7951719780.

The spelling of 1397234 in words is "one million, three hundred ninety-seven thousand, two hundred thirty-four".