649107 has 16 divisors (see below), whose sum is σ = 996000. Its totient is φ = 417312.

The previous prime is 649093. The next prime is 649123. The reversal of 649107 is 701946.

649107 is a `hidden beast` number, since 649 + 10 + 7 = 666.

It is not a de Polignac number, because 649107 - 2¹² = 645011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (649147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369 + ... + 1197.

It is an arithmetic number, because the mean of its divisors is an integer number (62250).

2⁶⁴⁹¹⁰⁷ is an apocalyptic number.

649107 is a deficient number, since it is larger than the sum of its proper divisors (346893).

649107 is a wasteful number, since it uses less digits than its factorization.

649107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 649107 is about 805.6717693950. The cubic root of 649107 is about 86.5842230449.

The spelling of 649107 in words is "six hundred forty-nine thousand, one hundred seven".