470890 has 36 divisors (see below), whose sum is σ = 1018818. Its totient is φ = 156240.

The previous prime is 470887. The next prime is 470891. The reversal of 470890 is 98074.

It can be written as a sum of positive squares in only one way, i.e., 423801 + 47089 = 651^2 + 217^2 .

It is not an unprimeable number, because it can be changed into a prime (470891) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15175 + ... + 15205.

2⁴⁷⁰⁸⁹⁰ is an apocalyptic number.

470890 is an abundant number, since it is smaller than the sum of its proper divisors (547928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

470890 is a wasteful number, since it uses less digits than its factorization.

470890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 470890 is about 686.2142522565. The cubic root of 470890 is about 77.7988461444.

Subtracting from 470890 its reverse (98074), we obtain a triangular number (372816 = T₈₆₃).

The spelling of 470890 in words is "four hundred seventy thousand, eight hundred ninety".