3567861 has 32 divisors (see below), whose sum is σ = 5927040. Its totient is φ = 2102400.

The previous prime is 3567859. The next prime is 3567869. The reversal of 3567861 is 1687653.

It is not a de Polignac number, because 3567861 - 2¹ = 3567859 is a prime.

3567861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3567869) 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 31 ways as a sum of consecutive naturals, for example, 12031 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (185220).

Almost surely, 2^3567861 is an apocalyptic number.

It is an amenable number.

3567861 is a deficient number, since it is larger than the sum of its proper divisors (2359179).

3567861 is a wasteful number, since it uses less digits than its factorization.

3567861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 348 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3567861 is about 1888.8782385321. The cubic root of 3567861 is about 152.8044406529.

It can be divided in two parts, 35 and 67861, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 3567861 in words is "three million, five hundred sixty-seven thousand, eight hundred sixty-one".