649112 has 16 divisors (see below), whose sum is σ = 1247400. Its totient is φ = 316480.

The previous prime is 649093. The next prime is 649123. The reversal of 649112 is 211946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662 + ... + 1317.

2⁶⁴⁹¹¹² is an apocalyptic number.

It is an amenable number.

649112 is a deficient number, since it is larger than the sum of its proper divisors (598288).

649112 is a wasteful number, since it uses less digits than its factorization.

649112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2022 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 649112 is about 805.6748723896. The cubic root of 649112 is about 86.5844453606.

The spelling of 649112 in words is "six hundred forty-nine thousand, one hundred twelve".