1390466 has 16 divisors (see below), whose sum is σ = 2600640. Its totient is φ = 541680.

The previous prime is 1390457. The next prime is 1390469. The reversal of 1390466 is 6640931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1390469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361 + ... + 4668.

It is an arithmetic number, because the mean of its divisors is an integer number (162540).

2^1390466 is an apocalyptic number.

1390466 is a deficient number, since it is larger than the sum of its proper divisors (1210174).

1390466 is a wasteful number, since it uses less digits than its factorization.

1390466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1390466 is about 1179.1802237148. The cubic root of 1390466 is about 111.6143731782.

The spelling of 1390466 in words is "one million, three hundred ninety thousand, four hundred sixty-six".