3903642 has 24 divisors (see below), whose sum is σ = 8956116. Its totient is φ = 1224576.

The previous prime is 3903637. The next prime is 3903643. The reversal of 3903642 is 2463093.

3903642 is digitally balanced in base 2, because in such base 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 3767481 + 136161 = 1941^2 + 369^2 .

It is not an unprimeable number, because it can be changed into a prime (3903643) 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, 6073 + ... + 6684.

Almost surely, 2^3903642 is an apocalyptic number.

3903642 is an abundant number, since it is smaller than the sum of its proper divisors (5052474).

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

3903642 is a wasteful number, since it uses less digits than its factorization.

3903642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12782 (or 12779 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 3903642 is about 1975.7636498326. The cubic root of 3903642 is about 157.4550741100.

The spelling of 3903642 in words is "three million, nine hundred three thousand, six hundred forty-two".