1386466 has 8 divisors (see below), whose sum is σ = 2085804. Its totient is φ = 691200.

The previous prime is 1386457. The next prime is 1386479. The reversal of 1386466 is 6646831.

It can be written as a sum of positive squares in 2 ways, for example, as 1357225 + 29241 = 1165^2 + 171^2 .

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

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, 66 + ... + 1666.

2^1386466 is an apocalyptic number.

1386466 is a deficient number, since it is larger than the sum of its proper divisors (699338).

1386466 is a wasteful number, since it uses less digits than its factorization.

1386466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its digits is 20736, while the sum is 34.

The square root of 1386466 is about 1177.4829085808. The cubic root of 1386466 is about 111.5072421178.

The spelling of 1386466 in words is "one million, three hundred eighty-six thousand, four hundred sixty-six".