447872590 has 16 divisors (see below), whose sum is σ = 879459120. Its totient is φ = 162862720.

The previous prime is 447872573. The next prime is 447872597. The reversal of 447872590 is 95278744.

It is a self number, because there is not a number n which added to its sum of digits gives 447872590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447872597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035675 + ... + 2035894.

It is an arithmetic number, because the mean of its divisors is an integer number (54966195).

Almost surely, 2^447872590 is an apocalyptic number.

447872590 is a deficient number, since it is larger than the sum of its proper divisors (431586530).

447872590 is a wasteful number, since it uses less digits than its factorization.

447872590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071587.

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 447872590 is about 21163.0004961489. Note that the first 3 decimals coincide. The cubic root of 447872590 is about 765.0999285641.

The spelling of 447872590 in words is "four hundred forty-seven million, eight hundred seventy-two thousand, five hundred ninety".