470990 has 16 divisors (see below), whose sum is σ = 913248. Its totient is φ = 173856.

The previous prime is 470959. The next prime is 470993. The reversal of 470990 is 99074.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470993) by changing a digit.

470990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1682 + ... + 1941.

It is an arithmetic number, because the mean of its divisors is an integer number (57078).

2⁴⁷⁰⁹⁹⁰ is an apocalyptic number.

470990 is a deficient number, since it is larger than the sum of its proper divisors (442258).

470990 is a wasteful number, since it uses less digits than its factorization.

470990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 470990 is about 686.2871119291. The cubic root of 470990 is about 77.8043529747.

The spelling of 470990 in words is "four hundred seventy thousand, nine hundred ninety".