649059 has 16 divisors (see below), whose sum is σ = 931200. Its totient is φ = 400896.

The previous prime is 649039. The next prime is 649063. The reversal of 649059 is 950946.

It is a happy number.

It is not a de Polignac number, because 649059 - 2⁷ = 648931 is a prime.

649059 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 649059.

It is not an unprimeable number, because it can be changed into a prime (649039) 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, 3267 + ... + 3459.

It is an arithmetic number, because the mean of its divisors is an integer number (58200).

2⁶⁴⁹⁰⁵⁹ is an apocalyptic number.

649059 is a deficient number, since it is larger than the sum of its proper divisors (282141).

649059 is a wasteful number, since it uses less digits than its factorization.

649059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

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

The square root of 649059 is about 805.6419800383. The cubic root of 649059 is about 86.5820887563.

The spelling of 649059 in words is "six hundred forty-nine thousand, fifty-nine".