3811948 has 24 divisors (see below), whose sum is σ = 7700000. Its totient is φ = 1617408.

The previous prime is 3811939. The next prime is 3811949. The reversal of 3811948 is 8491183.

3811948 = T₅₉₂ + T₅₉₃ + ... + T₆₁₂.

It is a happy number.

3811948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3811949) 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, 2428 + ... + 3676.

Almost surely, 2^3811948 is an apocalyptic number.

It is an amenable number.

3811948 is an abundant number, since it is smaller than the sum of its proper divisors (3888052).

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

3811948 is a wasteful number, since it uses less digits than its factorization.

3811948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1367 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 3811948 is about 1952.4210611443. The cubic root of 3811948 is about 156.2124543388.

The spelling of 3811948 in words is "three million, eight hundred eleven thousand, nine hundred forty-eight".