3563491 has 8 divisors (see below), whose sum is σ = 3725280. Its totient is φ = 3404352.

The previous prime is 3563479. The next prime is 3563501. The reversal of 3563491 is 1943653.

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 3563491 - 2¹¹ = 3561443 is a prime.

It is a Duffinian number.

3563491 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3563401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2391 + ... + 3583.

It is an arithmetic number, because the mean of its divisors is an integer number (465660).

Almost surely, 2^3563491 is an apocalyptic number.

3563491 is a deficient number, since it is larger than the sum of its proper divisors (161789).

3563491 is a wasteful number, since it uses less digits than its factorization.

3563491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325.

The product of its digits is 9720, while the sum is 31.

The square root of 3563491 is about 1887.7211128766. The cubic root of 3563491 is about 152.7420290082.

The spelling of 3563491 in words is "three million, five hundred sixty-three thousand, four hundred ninety-one".