470621646 has 24 divisors (see below), whose sum is σ = 1112378904. Its totient is φ = 142612560.

The previous prime is 470621639. The next prime is 470621647. The reversal of 470621646 is 646126074.

470621646 is a `hidden beast` number, since 4 + 7 + 0 + 6 + 2 + 1 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 470621646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470621647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1188241 + ... + 1188636.

It is an arithmetic number, because the mean of its divisors is an integer number (46349121).

Almost surely, 2^470621646 is an apocalyptic number.

470621646 is an abundant number, since it is smaller than the sum of its proper divisors (641757258).

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

470621646 is a wasteful number, since it uses less digits than its factorization.

470621646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376896 (or 2376893 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 470621646 is about 21693.8158469182. The cubic root of 470621646 is about 777.8406449063.

The spelling of 470621646 in words is "four hundred seventy million, six hundred twenty-one thousand, six hundred forty-six".