472884869 has 4 divisors (see below), whose sum is σ = 500701644. Its totient is φ = 445068096.

The previous prime is 472884859. The next prime is 472884877. The reversal of 472884869 is 968488274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 443313025 + 29571844 = 21055^2 + 5438^2 .

It is a cyclic number.

It is not a de Polignac number, because 472884869 - 2¹² = 472880773 is a prime.

It is a super-3 number, since 3×472884869³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472884809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13908362 + ... + 13908395.

It is an arithmetic number, because the mean of its divisors is an integer number (125175411).

Almost surely, 2^472884869 is an apocalyptic number.

It is an amenable number.

472884869 is a deficient number, since it is larger than the sum of its proper divisors (27816775).

472884869 is a wasteful number, since it uses less digits than its factorization.

472884869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27816774.

The product of its digits is 6193152, while the sum is 56.

The square root of 472884869 is about 21745.9161453363. The cubic root of 472884869 is about 779.0855319612.

The spelling of 472884869 in words is "four hundred seventy-two million, eight hundred eighty-four thousand, eight hundred sixty-nine".