466639 has 4 divisors (see below), whose sum is σ = 482760. Its totient is φ = 450520.

The previous prime is 466637. The next prime is 466649. The reversal of 466639 is 936664.

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 466639 - 2¹ = 466637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8017 + ... + 8074.

It is an arithmetic number, because the mean of its divisors is an integer number (120690).

2⁴⁶⁶⁶³⁹ is an apocalyptic number.

466639 is a deficient number, since it is larger than the sum of its proper divisors (16121).

466639 is a wasteful number, since it uses less digits than its factorization.

466639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16120.

The product of its digits is 23328, while the sum is 34.

The square root of 466639 is about 683.1098008373. The cubic root of 466639 is about 77.5640261749.

The spelling of 466639 in words is "four hundred sixty-six thousand, six hundred thirty-nine".