464638 has 8 divisors (see below), whose sum is σ = 721080. Its totient is φ = 224280.

The previous prime is 464621. The next prime is 464647. The reversal of 464638 is 836464.

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

It is a congruent number.

It is an unprimeable number.

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, 3948 + ... + 4063.

It is an arithmetic number, because the mean of its divisors is an integer number (90135).

2⁴⁶⁴⁶³⁸ is an apocalyptic number.

464638 is a deficient number, since it is larger than the sum of its proper divisors (256442).

464638 is a wasteful number, since it uses less digits than its factorization.

464638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042.

The product of its digits is 13824, while the sum is 31.

The square root of 464638 is about 681.6436018918. The cubic root of 464638 is about 77.4529995978.

The spelling of 464638 in words is "four hundred sixty-four thousand, six hundred thirty-eight".