3101896 has 48 divisors (see below), whose sum is σ = 6966540. Its totient is φ = 1290240.

The previous prime is 3101881. The next prime is 3101897. The reversal of 3101896 is 6981013.

It is a happy number.

3101896 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 509796 = 1610^2 + 714^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (3101897) 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 11 ways as a sum of consecutive naturals, for example, 15976 + ... + 16168.

Almost surely, 2^3101896 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 3101896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3483270).

3101896 is an abundant number, since it is smaller than the sum of its proper divisors (3864644).

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

3101896 is a wasteful number, since it uses less digits than its factorization.

3101896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 3101896 is about 1761.2200316826. The cubic root of 3101896 is about 145.8396939448.

The spelling of 3101896 in words is "three million, one hundred one thousand, eight hundred ninety-six".