3561679 has 4 divisors (see below), whose sum is σ = 3885480. Its totient is φ = 3237880.

The previous prime is 3561673. The next prime is 3561689. The reversal of 3561679 is 9761653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9761653 = 11 ⋅887423.

It is a cyclic number.

It is not a de Polignac number, because 3561679 - 2³ = 3561671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3561671) 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, 161884 + ... + 161905.

It is an arithmetic number, because the mean of its divisors is an integer number (971370).

Almost surely, 2^3561679 is an apocalyptic number.

3561679 is a deficient number, since it is larger than the sum of its proper divisors (323801).

3561679 is a wasteful number, since it uses less digits than its factorization.

3561679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323800.

The product of its digits is 34020, while the sum is 37.

The square root of 3561679 is about 1887.2411080728. The cubic root of 3561679 is about 152.7161353475.

The spelling of 3561679 in words is "three million, five hundred sixty-one thousand, six hundred seventy-nine".