470921 has 8 divisors (see below), whose sum is σ = 530688. Its totient is φ = 414000.

The previous prime is 470903. The next prime is 470927. The reversal of 470921 is 129074.

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-470921 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (66336).

2⁴⁷⁰⁹²¹ is an apocalyptic number.

It is an amenable number.

470921 is a deficient number, since it is larger than the sum of its proper divisors (59767).

470921 is a wasteful number, since it uses less digits than its factorization.

470921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 470921 is about 686.2368395824. The cubic root of 470921 is about 77.8005533451.

Adding to 470921 its reverse (129074), we get a palindrome (599995).

It can be divided in two parts, 4709 and 21, that multiplied together give a palindrome (98889).

The spelling of 470921 in words is "four hundred seventy thousand, nine hundred twenty-one".