472397459 has 4 divisors (see below), whose sum is σ = 474460560. Its totient is φ = 470334360.

The previous prime is 472397447. The next prime is 472397491. The reversal of 472397459 is 954793274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472397459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472397059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031207 + ... + 1031664.

It is an arithmetic number, because the mean of its divisors is an integer number (118615140).

Almost surely, 2^472397459 is an apocalyptic number.

472397459 is a deficient number, since it is larger than the sum of its proper divisors (2063101).

472397459 is a wasteful number, since it uses less digits than its factorization.

472397459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063100.

The product of its digits is 1905120, while the sum is 50.

The square root of 472397459 is about 21734.7063242180. The cubic root of 472397459 is about 778.8177679698.

The spelling of 472397459 in words is "four hundred seventy-two million, three hundred ninety-seven thousand, four hundred fifty-nine".