3261156 has 24 divisors (see below), whose sum is σ = 7640640. Its totient is φ = 1082592.

The previous prime is 3261151. The next prime is 3261157. The reversal of 3261156 is 6511623.

It is not an unprimeable number, because it can be changed into a prime (3261151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3930 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (318360).

Almost surely, 2^3261156 is an apocalyptic number.

It is an amenable number.

3261156 is an abundant number, since it is smaller than the sum of its proper divisors (4379484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3261156 is a wasteful number, since it uses less digits than its factorization.

3261156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1121 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 3261156 is about 1805.8671047450. The cubic root of 3261156 is about 148.2940950232.

Adding to 3261156 its reverse (6511623), we get a palindrome (9772779).

The spelling of 3261156 in words is "three million, two hundred sixty-one thousand, one hundred fifty-six".