5646091 has 16 divisors (see below), whose sum is σ = 6605280. Its totient is φ = 4769280.

The previous prime is 5646073. The next prime is 5646107. The reversal of 5646091 is 1906465.

It is a cyclic number.

It is not a de Polignac number, because 5646091 - 2⁹ = 5645579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5646391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20245 + ... + 20521.

It is an arithmetic number, because the mean of its divisors is an integer number (412830).

Almost surely, 2^5646091 is an apocalyptic number.

5646091 is a deficient number, since it is larger than the sum of its proper divisors (959189).

5646091 is a wasteful number, since it uses less digits than its factorization.

5646091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5646091 is about 2376.1504581991. The cubic root of 5646091 is about 178.0666648414.

The spelling of 5646091 in words is "five million, six hundred forty-six thousand, ninety-one".