649227 has 8 divisors (see below), whose sum is σ = 869440. Its totient is φ = 430920.

The previous prime is 649217. The next prime is 649261. The reversal of 649227 is 722946.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 649227 - 2⁸ = 648971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 649194 and 649203.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649227.

It is not an unprimeable number, because it can be changed into a prime (649217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (108680).

2⁶⁴⁹²²⁷ is an apocalyptic number.

649227 is a deficient number, since it is larger than the sum of its proper divisors (220213).

649227 is a wasteful number, since it uses less digits than its factorization.

649227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953.

The product of its digits is 6048, while the sum is 30.

The square root of 649227 is about 805.7462379683. The cubic root of 649227 is about 86.5895583063.

It can be divided in two parts, 64922 and 7, that multiplied together give a palindrome (454454).

The spelling of 649227 in words is "six hundred forty-nine thousand, two hundred twenty-seven".