3564973 has 4 divisors (see below), whose sum is σ = 3587008. Its totient is φ = 3542940.

The previous prime is 3564971. The next prime is 3564983. The reversal of 3564973 is 3794653.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3794653 = 113 ⋅33581.

It is a cyclic number.

It is not a de Polignac number, because 3564973 - 2¹ = 3564971 is a prime.

It is a Duffinian number.

3564973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3564971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10773 + ... + 11098.

It is an arithmetic number, because the mean of its divisors is an integer number (896752).

Almost surely, 2^3564973 is an apocalyptic number.

It is an amenable number.

3564973 is a deficient number, since it is larger than the sum of its proper divisors (22035).

3564973 is a wasteful number, since it uses less digits than its factorization.

3564973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22034.

The product of its digits is 68040, while the sum is 37.

The square root of 3564973 is about 1888.1136088700. The cubic root of 3564973 is about 152.7632004114.

It can be divided in two parts, 356 and 4973, that added together give a square (5329 = 73²).

The spelling of 3564973 in words is "three million, five hundred sixty-four thousand, nine hundred seventy-three".