5649894 has 12 divisors (see below), whose sum is σ = 12241476. Its totient is φ = 1883292.

The previous prime is 5649883. The next prime is 5649901. The reversal of 5649894 is 4989465.

It is a happy number.

5649894 is a `hidden beast` number, since 564 + 9 + 89 + 4 = 666.

It is a super-2 number, since 2×5649894² = 63842604422472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156924 + ... + 156959.

It is an arithmetic number, because the mean of its divisors is an integer number (1020123).

Almost surely, 2^5649894 is an apocalyptic number.

5649894 is an abundant number, since it is smaller than the sum of its proper divisors (6591582).

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

5649894 is a wasteful number, since it uses less digits than its factorization.

5649894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313891 (or 313888 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 5649894 is about 2376.9505674288. The cubic root of 5649894 is about 178.1066355952.

The spelling of 5649894 in words is "five million, six hundred forty-nine thousand, eight hundred ninety-four".