460639 has 4 divisors (see below), whose sum is σ = 462024. Its totient is φ = 459256.

The previous prime is 460637. The next prime is 460643. The reversal of 460639 is 936064.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 460639 - 2¹ = 460637 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 (460633) 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, 144 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (115506).

2⁴⁶⁰⁶³⁹ is an apocalyptic number.

460639 is a deficient number, since it is larger than the sum of its proper divisors (1385).

460639 is an equidigital number, since it uses as much as digits as its factorization.

460639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 460639 is about 678.7039118791. The cubic root of 460639 is about 77.2301541308.

It can be divided in two parts, 4 and 60639, that multiplied together give a triangular number (242556 = T₆₉₆).

The spelling of 460639 in words is "four hundred sixty thousand, six hundred thirty-nine".