470421 has 32 divisors (see below), whose sum is σ = 844800. Its totient is φ = 252720.

The previous prime is 470417. The next prime is 470429. The reversal of 470421 is 124074.

It is a happy number.

It is not a de Polignac number, because 470421 - 2² = 470417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 470394 and 470403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470429) 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 31 ways as a sum of consecutive naturals, for example, 3526 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (26400).

2⁴⁷⁰⁴²¹ is an apocalyptic number.

It is an amenable number.

470421 is a deficient number, since it is larger than the sum of its proper divisors (374379).

470421 is a wasteful number, since it uses less digits than its factorization.

470421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 470421 is about 685.8724371193. The cubic root of 470421 is about 77.7730087023.

Adding to 470421 its reverse (124074), we get a palindrome (594495).

The spelling of 470421 in words is "four hundred seventy thousand, four hundred twenty-one", and thus it is an iban number.