3307861 has 6 divisors (see below), whose sum is σ = 3388470. Its totient is φ = 3229128.

The previous prime is 3307859. The next prime is 3307873. The reversal of 3307861 is 1687033.

It can be written as a sum of positive squares in only one way, i.e., 3261636 + 46225 = 1806^2 + 215^2 .

It is not a de Polignac number, because 3307861 - 2¹ = 3307859 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 (3307831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 955 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (564745).

Almost surely, 2^3307861 is an apocalyptic number.

It is an amenable number.

3307861 is a deficient number, since it is larger than the sum of its proper divisors (80609).

3307861 is an equidigital number, since it uses as much as digits as its factorization.

3307861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3307861 is about 1818.7525944999. The cubic root of 3307861 is about 148.9986787265.

The spelling of 3307861 in words is "three million, three hundred seven thousand, eight hundred sixty-one".