649858227 has 8 divisors (see below), whose sum is σ = 866913216. Its totient is φ = 433021032.

The previous prime is 649858219. The next prime is 649858229. The reversal of 649858227 is 722858946.

649858227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 649858227 - 2³ = 649858219 is a prime.

It is a super-3 number, since 3×649858227³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 649858227.

It is not an unprimeable number, because it can be changed into a prime (649858229) 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, 47353 + ... + 59514.

It is an arithmetic number, because the mean of its divisors is an integer number (108364152).

Almost surely, 2^649858227 is an apocalyptic number.

649858227 is a deficient number, since it is larger than the sum of its proper divisors (217054989).

649858227 is a wasteful number, since it uses less digits than its factorization.

649858227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108897.

The product of its digits is 1935360, while the sum is 51.

The square root of 649858227 is about 25492.3170190550. The cubic root of 649858227 is about 866.1761216247.

The spelling of 649858227 in words is "six hundred forty-nine million, eight hundred fifty-eight thousand, two hundred twenty-seven".