1397468 has 12 divisors (see below), whose sum is σ = 2589552. Its totient is φ = 657600.

The previous prime is 1397447. The next prime is 1397477. The reversal of 1397468 is 8647931.

It is a super-2 number, since 2×1397468² = 3905833622048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 10208 + ... + 10343.

It is an arithmetic number, because the mean of its divisors is an integer number (215796).

2^1397468 is an apocalyptic number.

It is an amenable number.

1397468 is a deficient number, since it is larger than the sum of its proper divisors (1192084).

1397468 is a wasteful number, since it uses less digits than its factorization.

1397468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572 (or 20570 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 1397468 is about 1182.1455071183. The cubic root of 1397468 is about 111.8014125480.

It can be divided in two parts, 1397 and 468, that multiplied together give a triangular number (653796 = T₁₁₄₃).

The spelling of 1397468 in words is "one million, three hundred ninety-seven thousand, four hundred sixty-eight".