470564638 has 8 divisors (see below), whose sum is σ = 705942720. Its totient is φ = 235250400.

The previous prime is 470564603. The next prime is 470564669. The reversal of 470564638 is 836465074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 470564594 and 470564603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12918 + ... + 33286.

It is an arithmetic number, because the mean of its divisors is an integer number (88242840).

Almost surely, 2^470564638 is an apocalyptic number.

470564638 is a deficient number, since it is larger than the sum of its proper divisors (235378082).

470564638 is a wasteful number, since it uses less digits than its factorization.

470564638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31922.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 470564638 is about 21692.5018842917. The cubic root of 470564638 is about 777.8092361441.

The spelling of 470564638 in words is "four hundred seventy million, five hundred sixty-four thousand, six hundred thirty-eight".