3561385 has 8 divisors (see below), whose sum is σ = 4337856. Its totient is φ = 2806320.

The previous prime is 3561377. The next prime is 3561391. The reversal of 3561385 is 5831653.

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

It is not a de Polignac number, because 3561385 - 2³ = 3561377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4981 + ... + 5650.

It is an arithmetic number, because the mean of its divisors is an integer number (542232).

Almost surely, 2^3561385 is an apocalyptic number.

It is an amenable number.

3561385 is a deficient number, since it is larger than the sum of its proper divisors (776471).

3561385 is a wasteful number, since it uses less digits than its factorization.

3561385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10703.

The product of its digits is 10800, while the sum is 31.

The square root of 3561385 is about 1887.1632149870. The cubic root of 3561385 is about 152.7119332301.

The spelling of 3561385 in words is "three million, five hundred sixty-one thousand, three hundred eighty-five".