649363 has 16 divisors (see below), whose sum is σ = 806400. Its totient is φ = 514080.

The previous prime is 649361. The next prime is 649379. The reversal of 649363 is 363946.

649363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 649363 - 2¹ = 649361 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649361) 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, 2598 + ... + 2836.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁶⁴⁹³⁶³ is an apocalyptic number.

649363 is a deficient number, since it is larger than the sum of its proper divisors (157037).

649363 is a wasteful number, since it uses less digits than its factorization.

649363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282.

The product of its digits is 11664, while the sum is 31.

The square root of 649363 is about 805.8306273653. The cubic root of 649363 is about 86.5956041412.

It can be divided in two parts, 6493 and 63, that added together give a palindrome (6556).

The spelling of 649363 in words is "six hundred forty-nine thousand, three hundred sixty-three".