3561899 has 8 divisors (see below), whose sum is σ = 3909360. Its totient is φ = 3218400.

The previous prime is 3561893. The next prime is 3561907. The reversal of 3561899 is 9981653.

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 3561899 - 2⁸ = 3561643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3561893) 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, 1097 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (488670).

Almost surely, 2^3561899 is an apocalyptic number.

3561899 is a deficient number, since it is larger than the sum of its proper divisors (347461).

3561899 is a wasteful number, since it uses less digits than its factorization.

3561899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its digits is 58320, while the sum is 41.

The square root of 3561899 is about 1887.2993933131. The cubic root of 3561899 is about 152.7192796378.

The spelling of 3561899 in words is "three million, five hundred sixty-one thousand, eight hundred ninety-nine".