466638 has 8 divisors (see below), whose sum is σ = 933288. Its totient is φ = 155544.

The previous prime is 466637. The next prime is 466649. The reversal of 466638 is 836664.

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

466638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 466599 and 466608.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 466638.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38881 + ... + 38892.

It is an arithmetic number, because the mean of its divisors is an integer number (116661).

2⁴⁶⁶⁶³⁸ is an apocalyptic number.

466638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

466638 is a wasteful number, since it uses less digits than its factorization.

466638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77778.

The product of its digits is 20736, while the sum is 33.

The square root of 466638 is about 683.1090688902. The cubic root of 466638 is about 77.5639707687.

The spelling of 466638 in words is "four hundred sixty-six thousand, six hundred thirty-eight".