470491890 has 32 divisors (see below), whose sum is σ = 1231834176. Its totient is φ = 114058560.

The previous prime is 470491877. The next prime is 470491907. The reversal of 470491890 is 98194074.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 712537 + ... + 713196.

It is an arithmetic number, because the mean of its divisors is an integer number (38494818).

Almost surely, 2^470491890 is an apocalyptic number.

470491890 is an abundant number, since it is smaller than the sum of its proper divisors (761342286).

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

470491890 is a wasteful number, since it uses less digits than its factorization.

470491890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425754.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 470491890 is about 21690.8250188876. The cubic root of 470491890 is about 777.7691516882.

The spelling of 470491890 in words is "four hundred seventy million, four hundred ninety-one thousand, eight hundred ninety".