3365861 has 4 divisors (see below), whose sum is σ = 3371424. Its totient is φ = 3360300.

The previous prime is 3365851. The next prime is 3365863. The reversal of 3365861 is 1685633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1685633 = 41 ⋅41113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3365861 is a prime.

It is a super-2 number, since 2×3365861² = 22658040542642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3365863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1745 + ... + 3126.

It is an arithmetic number, because the mean of its divisors is an integer number (842856).

Almost surely, 2^3365861 is an apocalyptic number.

It is an amenable number.

3365861 is a deficient number, since it is larger than the sum of its proper divisors (5563).

3365861 is an equidigital number, since it uses as much as digits as its factorization.

3365861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5562.

The product of its digits is 12960, while the sum is 32.

The square root of 3365861 is about 1834.6283002287. The cubic root of 3365861 is about 149.8644850155.

The spelling of 3365861 in words is "three million, three hundred sixty-five thousand, eight hundred sixty-one".