470639 has 8 divisors (see below), whose sum is σ = 519792. Its totient is φ = 423360.

The previous prime is 470627. The next prime is 470647. The reversal of 470639 is 936074.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470609) 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 7 ways as a sum of consecutive naturals, for example, 92 + ... + 974.

It is an arithmetic number, because the mean of its divisors is an integer number (64974).

2⁴⁷⁰⁶³⁹ is an apocalyptic number.

470639 is a deficient number, since it is larger than the sum of its proper divisors (49153).

470639 is a wasteful number, since it uses less digits than its factorization.

470639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 470639 is about 686.0313403920. The cubic root of 470639 is about 77.7850205651.

The spelling of 470639 in words is "four hundred seventy thousand, six hundred thirty-nine".