649084883 has 4 divisors (see below), whose sum is σ = 655511568. Its totient is φ = 642658200.

The previous prime is 649084861. The next prime is 649084889. The reversal of 649084883 is 388480946.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 649084883 - 2¹² = 649080787 is a prime.

It is a super-2 number, since 2×649084883² = 842622370678247378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649084889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3213191 + ... + 3213392.

It is an arithmetic number, because the mean of its divisors is an integer number (163877892).

Almost surely, 2^649084883 is an apocalyptic number.

649084883 is a deficient number, since it is larger than the sum of its proper divisors (6426685).

649084883 is a wasteful number, since it uses less digits than its factorization.

649084883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6426684.

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 649084883 is about 25477.1443258463. The cubic root of 649084883 is about 865.8323964003.

The spelling of 649084883 in words is "six hundred forty-nine million, eighty-four thousand, eight hundred eighty-three".