4390466 has 4 divisors (see below), whose sum is σ = 6585702. Its totient is φ = 2195232.

The previous prime is 4390453. The next prime is 4390469. The reversal of 4390466 is 6640934.

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

It can be written as a sum of positive squares in only one way, i.e., 3940225 + 450241 = 1985^2 + 671^2 .

It is not an unprimeable number, because it can be changed into a prime (4390469) 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 as a sum of consecutive naturals, namely, 1097615 + ... + 1097618.

Almost surely, 2^4390466 is an apocalyptic number.

4390466 is a deficient number, since it is larger than the sum of its proper divisors (2195236).

4390466 is a wasteful number, since it uses less digits than its factorization.

4390466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195235.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 4390466 is about 2095.3438858574. The cubic root of 4390466 is about 163.7458138510.

It can be divided in two parts, 43 and 90466, that added together give a palindrome (90509).

The spelling of 4390466 in words is "four million, three hundred ninety thousand, four hundred sixty-six".