468639 has 16 divisors (see below), whose sum is σ = 735840. Its totient is φ = 293760.

The previous prime is 468623. The next prime is 468641. The reversal of 468639 is 936864.

It is not a de Polignac number, because 468639 - 2⁴ = 468623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (45990).

2⁴⁶⁸⁶³⁹ is an apocalyptic number.

468639 is a deficient number, since it is larger than the sum of its proper divisors (267201).

468639 is a wasteful number, since it uses less digits than its factorization.

468639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1041 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 468639 is about 684.5721291435. The cubic root of 468639 is about 77.6746805593.

The spelling of 468639 in words is "four hundred sixty-eight thousand, six hundred thirty-nine".