472489693 has 12 divisors (see below), whose sum is σ = 528140928. Its totient is φ = 422070480.

The previous prime is 472489609. The next prime is 472489711. The reversal of 472489693 is 396984274.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-472489693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472489693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472489393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39855 + ... + 50332.

It is an arithmetic number, because the mean of its divisors is an integer number (44011744).

Almost surely, 2^472489693 is an apocalyptic number.

It is an amenable number.

472489693 is a deficient number, since it is larger than the sum of its proper divisors (55651235).

472489693 is a wasteful number, since it uses less digits than its factorization.

472489693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90244 (or 90231 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 472489693 is about 21736.8280344672. The cubic root of 472489693 is about 778.8684518464.

The spelling of 472489693 in words is "four hundred seventy-two million, four hundred eighty-nine thousand, six hundred ninety-three".