649095 has 16 divisors (see below), whose sum is σ = 1050720. Its totient is φ = 342144.

The previous prime is 649093. The next prime is 649123. The reversal of 649095 is 590946.

649095 = T₅₀ + T₅₁ + ... + T₁₅₈.

It is a happy number.

It is not a de Polignac number, because 649095 - 2¹ = 649093 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649095.

It is not an unprimeable number, because it can be changed into a prime (649093) 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, 1437 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (65670).

2⁶⁴⁹⁰⁹⁵ is an apocalyptic number.

649095 is a deficient number, since it is larger than the sum of its proper divisors (401625).

649095 is a wasteful number, since it uses less digits than its factorization.

649095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 649095 is about 805.6643221590. The cubic root of 649095 is about 86.5836894826.

The spelling of 649095 in words is "six hundred forty-nine thousand, ninety-five".