1397466 has 32 divisors (see below), whose sum is σ = 3550080. Its totient is φ = 399168.

The previous prime is 1397447. The next prime is 1397477. The reversal of 1397466 is 6647931.

It is a super-2 number, since 2×1397466² = 3905822442312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1397466.

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 15 ways as a sum of consecutive naturals, for example, 1471 + ... + 2226.

It is an arithmetic number, because the mean of its divisors is an integer number (110940).

2^1397466 is an apocalyptic number.

1397466 is an abundant number, since it is smaller than the sum of its proper divisors (2152614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397466 is a wasteful number, since it uses less digits than its factorization.

1397466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715 (or 3709 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 1397466 is about 1182.1446611985. The cubic root of 1397466 is about 111.8013592128.

It can be divided in two parts, 13 and 97466, that added together give a palindrome (97479).

The spelling of 1397466 in words is "one million, three hundred ninety-seven thousand, four hundred sixty-six".