472987 has 4 divisors (see below), whose sum is σ = 474376. Its totient is φ = 471600.

The previous prime is 472963. The next prime is 472993. The reversal of 472987 is 789274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 789274 = 2 ⋅394637.

It is a cyclic number.

It is not a de Polignac number, because 472987 - 2⁷ = 472859 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472907) 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, 208 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (118594).

2⁴⁷²⁹⁸⁷ is an apocalyptic number.

472987 is a deficient number, since it is larger than the sum of its proper divisors (1389).

472987 is an equidigital number, since it uses as much as digits as its factorization.

472987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388.

The product of its digits is 28224, while the sum is 37.

The square root of 472987 is about 687.7405033877. The cubic root of 472987 is about 77.9141615420.

The spelling of 472987 in words is "four hundred seventy-two thousand, nine hundred eighty-seven".