3956481 has 12 divisors (see below), whose sum is σ = 5812560. Its totient is φ = 2592600.

The previous prime is 3956471. The next prime is 3956501. The reversal of 3956481 is 1846593.

3956481 is a `hidden beast` number, since 3 + 9 + 5 + 648 + 1 = 666.

3956481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3956481 - 2⁷ = 3956353 is a prime.

It is a super-2 number, since 2×3956481² = 31307483806722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3956401) 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, 3195 + ... + 4256.

It is an arithmetic number, because the mean of its divisors is an integer number (484380).

Almost surely, 2^3956481 is an apocalyptic number.

It is an amenable number.

3956481 is a deficient number, since it is larger than the sum of its proper divisors (1856079).

3956481 is a wasteful number, since it uses less digits than its factorization.

3956481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516 (or 7513 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 3956481 is about 1989.0904956789. The cubic root of 3956481 is about 158.1623204988.

It can be divided in two parts, 3 and 956481, that added together give a square (956484 = 978²).

The spelling of 3956481 in words is "three million, nine hundred fifty-six thousand, four hundred eighty-one".