3561693 has 8 divisors (see below), whose sum is σ = 4912800. Its totient is φ = 2292528.

The previous prime is 3561689. The next prime is 3561703. The reversal of 3561693 is 3961653.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3561693 - 2² = 3561689 is a prime.

It is an Ulam number.

3561693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561643) 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 7 ways as a sum of consecutive naturals, for example, 20383 + ... + 20556.

It is an arithmetic number, because the mean of its divisors is an integer number (614100).

Almost surely, 2^3561693 is an apocalyptic number.

It is an amenable number.

3561693 is a deficient number, since it is larger than the sum of its proper divisors (1351107).

3561693 is a wasteful number, since it uses less digits than its factorization.

3561693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40971.

The product of its digits is 14580, while the sum is 33.

The square root of 3561693 is about 1887.2448171872. The cubic root of 3561693 is about 152.7163354425.

The spelling of 3561693 in words is "three million, five hundred sixty-one thousand, six hundred ninety-three".