3694563 has 6 divisors (see below), whose sum is σ = 5336604. Its totient is φ = 2463036.

The previous prime is 3694553. The next prime is 3694567. The reversal of 3694563 is 3654963.

3694563 is a `hidden beast` number, since 3 + 6 + 94 + 563 = 666.

It is not a de Polignac number, because 3694563 - 2⁴ = 3694547 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

3694563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3694567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205245 + ... + 205262.

It is an arithmetic number, because the mean of its divisors is an integer number (889434).

Almost surely, 2^3694563 is an apocalyptic number.

3694563 is a deficient number, since it is larger than the sum of its proper divisors (1642041).

3694563 is a wasteful number, since it uses less digits than its factorization.

3694563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410513 (or 410510 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 3694563 is about 1922.1246057423. The cubic root of 3694563 is about 154.5922407682.

The spelling of 3694563 in words is "three million, six hundred ninety-four thousand, five hundred sixty-three".