5649191 has 12 divisors (see below), whose sum is σ = 6038760. Its totient is φ = 5282640.

The previous prime is 5649187. The next prime is 5649221. The reversal of 5649191 is 1919465.

It is not a de Polignac number, because 5649191 - 2² = 5649187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31121 + ... + 31301.

It is an arithmetic number, because the mean of its divisors is an integer number (503230).

Almost surely, 2^5649191 is an apocalyptic number.

5649191 is a deficient number, since it is larger than the sum of its proper divisors (389569).

5649191 is a wasteful number, since it uses less digits than its factorization.

5649191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 263 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 5649191 is about 2376.8026842799. The cubic root of 5649191 is about 178.0992481906.

The spelling of 5649191 in words is "five million, six hundred forty-nine thousand, one hundred ninety-one".