649315 has 8 divisors (see below), whose sum is σ = 825120. Its totient is φ = 488832.

The previous prime is 649307. The next prime is 649321. The reversal of 649315 is 513946.

649315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 649315 - 2³ = 649307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3735 + ... + 3904.

It is an arithmetic number, because the mean of its divisors is an integer number (103140).

2⁶⁴⁹³¹⁵ is an apocalyptic number.

649315 is a deficient number, since it is larger than the sum of its proper divisors (175805).

649315 is a wasteful number, since it uses less digits than its factorization.

649315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7661.

The product of its digits is 3240, while the sum is 28.

The square root of 649315 is about 805.8008438814. The cubic root of 649315 is about 86.5934704135.

The spelling of 649315 in words is "six hundred forty-nine thousand, three hundred fifteen".