649675 has 12 divisors (see below), whose sum is σ = 868000. Its totient is φ = 479520.

The previous prime is 649661. The next prime is 649697. The reversal of 649675 is 576946.

It is not a de Polignac number, because 649675 - 2⁵ = 649643 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675 + ... + 1324.

2⁶⁴⁹⁶⁷⁵ is an apocalyptic number.

649675 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

649675 is a deficient number, since it is larger than the sum of its proper divisors (218325).

649675 is a wasteful number, since it uses less digits than its factorization.

649675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 2017 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 649675 is about 806.0241931853. The cubic root of 649675 is about 86.6094708088.

The spelling of 649675 in words is "six hundred forty-nine thousand, six hundred seventy-five".