1466491 has 4 divisors (see below), whose sum is σ = 1579312. Its totient is φ = 1353672.

The previous prime is 1466473. The next prime is 1466519. The reversal of 1466491 is 1946641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1466491 - 2⁵ = 1466459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1466461) 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, 56391 + ... + 56416.

It is an arithmetic number, because the mean of its divisors is an integer number (394828).

2^1466491 is an apocalyptic number.

1466491 is a deficient number, since it is larger than the sum of its proper divisors (112821).

1466491 is a wasteful number, since it uses less digits than its factorization.

1466491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112820.

The product of its digits is 5184, while the sum is 31.

The square root of 1466491 is about 1210.9876134792. The cubic root of 1466491 is about 113.6125917984.

The spelling of 1466491 in words is "one million, four hundred sixty-six thousand, four hundred ninety-one".