3113856 has 128 divisors (see below), whose sum is σ = 9914400. Its totient is φ = 958464.

The previous prime is 3113837. The next prime is 3113861. The reversal of 3113856 is 6583113.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58726 + ... + 58778.

Almost surely, 2^3113856 is an apocalyptic number.

3113856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4957200).

3113856 is an abundant number, since it is smaller than the sum of its proper divisors (6800544).

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

3113856 is a wasteful number, since it uses less digits than its factorization.

3113856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 75 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 3113856 is about 1764.6121386866. The cubic root of 3113856 is about 146.0268919001.

Subtracting from 3113856 its product of digits (2160), we obtain a 4-th power (3111696 = 42⁴).

Adding to 3113856 its reverse (6583113), we get a palindrome (9696969).

It can be divided in two parts, 3113 and 856, that added together give a square (3969 = 63²).

The spelling of 3113856 in words is "three million, one hundred thirteen thousand, eight hundred fifty-six".