649596827 has 8 divisors (see below), whose sum is σ = 727804272. Its totient is φ = 574581600.

The previous prime is 649596817. The next prime is 649596853. The reversal of 649596827 is 728695946.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 649596827 - 2⁴ = 649596811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649596817) 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, 797624 + ... + 798437.

It is an arithmetic number, because the mean of its divisors is an integer number (90975534).

Almost surely, 2^649596827 is an apocalyptic number.

649596827 is a deficient number, since it is larger than the sum of its proper divisors (78207445).

649596827 is a wasteful number, since it uses less digits than its factorization.

649596827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596109.

The product of its digits is 6531840, while the sum is 56.

The square root of 649596827 is about 25487.1894684369. The cubic root of 649596827 is about 866.0599686989.

The spelling of 649596827 in words is "six hundred forty-nine million, five hundred ninety-six thousand, eight hundred twenty-seven".