3611312 has 40 divisors (see below), whose sum is σ = 7447440. Its totient is φ = 1693440.

The previous prime is 3611303. The next prime is 3611317. The reversal of 3611312 is 2131163.

3611312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3611312² = 26083148722688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3611317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19862 + ... + 20042.

It is an arithmetic number, because the mean of its divisors is an integer number (186186).

Almost surely, 2^3611312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3611312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3723720).

3611312 is an abundant number, since it is smaller than the sum of its proper divisors (3836128).

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

3611312 is a wasteful number, since it uses less digits than its factorization.

3611312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 255 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 3611312 is about 1900.3452317934. The cubic root of 3611312 is about 153.4222462689.

Adding to 3611312 its reverse (2131163), we get a palindrome (5742475).

The spelling of 3611312 in words is "three million, six hundred eleven thousand, three hundred twelve".