649224796 has 12 divisors (see below), whose sum is σ = 1239429240. Its totient is φ = 295102160.

The previous prime is 649224757. The next prime is 649224799. The reversal of 649224796 is 697422946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649224799) 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, 7377511 + ... + 7377598.

It is an arithmetic number, because the mean of its divisors is an integer number (103285770).

Almost surely, 2^649224796 is an apocalyptic number.

It is an amenable number.

649224796 is a deficient number, since it is larger than the sum of its proper divisors (590204444).

649224796 is a wasteful number, since it uses less digits than its factorization.

649224796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14755124 (or 14755122 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 649224796 is about 25479.8900311599. The cubic root of 649224796 is about 865.8946032129.

The spelling of 649224796 in words is "six hundred forty-nine million, two hundred twenty-four thousand, seven hundred ninety-six".