649914 has 16 divisors (see below), whose sum is σ = 1368480. Its totient is φ = 205200.

The previous prime is 649907. The next prime is 649921. The reversal of 649914 is 419946.

649914 = T₂₅₂ + T₂₅₃ + ... + T₂₇₀.

It is an interprime number because it is at equal distance from previous prime (649907) and next prime (649921).

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, 2737 + ... + 2964.

It is an arithmetic number, because the mean of its divisors is an integer number (85530).

2⁶⁴⁹⁹¹⁴ is an apocalyptic number.

649914 is an abundant number, since it is smaller than the sum of its proper divisors (718566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649914 is a wasteful number, since it uses less digits than its factorization.

649914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725.

The product of its digits is 7776, while the sum is 33.

The square root of 649914 is about 806.1724381297. The cubic root of 649914 is about 86.6200900290.

The spelling of 649914 in words is "six hundred forty-nine thousand, nine hundred fourteen".