3804642 has 12 divisors (see below), whose sum is σ = 8243430. Its totient is φ = 1268208.

The previous prime is 3804629. The next prime is 3804643. The reversal of 3804642 is 2464083.

3804642 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 only one way, i.e., 3316041 + 488601 = 1821^2 + 699^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3804643) 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 5 ways as a sum of consecutive naturals, for example, 105667 + ... + 105702.

Almost surely, 2^3804642 is an apocalyptic number.

3804642 is an abundant number, since it is smaller than the sum of its proper divisors (4438788).

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

3804642 is a wasteful number, since it uses less digits than its factorization.

3804642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211377 (or 211374 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 3804642 is about 1950.5491534437. The cubic root of 3804642 is about 156.1125913027.

The spelling of 3804642 in words is "three million, eight hundred four thousand, six hundred forty-two".