472649 has 4 divisors (see below), whose sum is σ = 480720. Its totient is φ = 464580.

The previous prime is 472643. The next prime is 472669. The reversal of 472649 is 946274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 472649 - 2⁸ = 472393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472643) 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, 3947 + ... + 4064.

It is an arithmetic number, because the mean of its divisors is an integer number (120180).

2⁴⁷²⁶⁴⁹ is an apocalyptic number.

It is an amenable number.

472649 is a deficient number, since it is larger than the sum of its proper divisors (8071).

472649 is an equidigital number, since it uses as much as digits as its factorization.

472649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070.

The product of its digits is 12096, while the sum is 32.

The square root of 472649 is about 687.4947272525. The cubic root of 472649 is about 77.8955977744.

The spelling of 472649 in words is "four hundred seventy-two thousand, six hundred forty-nine".