472287839 has 4 divisors (see below), whose sum is σ = 473778024. Its totient is φ = 470797656.

The previous prime is 472287797. The next prime is 472287847. The reversal of 472287839 is 938782274.

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-472287839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472287889) 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, 744617 + ... + 745250.

It is an arithmetic number, because the mean of its divisors is an integer number (118444506).

Almost surely, 2^472287839 is an apocalyptic number.

472287839 is a deficient number, since it is larger than the sum of its proper divisors (1490185).

472287839 is a wasteful number, since it uses less digits than its factorization.

472287839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490184.

The product of its digits is 1354752, while the sum is 50.

The square root of 472287839 is about 21732.1844047026. The cubic root of 472287839 is about 778.7575216620.

The spelling of 472287839 in words is "four hundred seventy-two million, two hundred eighty-seven thousand, eight hundred thirty-nine".