472387 has 4 divisors (see below), whose sum is σ = 474696. Its totient is φ = 470080.

The previous prime is 472369. The next prime is 472391. The reversal of 472387 is 783274.

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-472387 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 472387.

It is not an unprimeable number, because it can be changed into a prime (472687) 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, 814 + ... + 1267.

It is an arithmetic number, because the mean of its divisors is an integer number (118674).

2⁴⁷²³⁸⁷ is an apocalyptic number.

472387 is a deficient number, since it is larger than the sum of its proper divisors (2309).

472387 is a wasteful number, since it uses less digits than its factorization.

472387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308.

The product of its digits is 9408, while the sum is 31.

The square root of 472387 is about 687.3041539231. The cubic root of 472387 is about 77.8812020186.

The spelling of 472387 in words is "four hundred seventy-two thousand, three hundred eighty-seven".