3642044 has 12 divisors (see below), whose sum is σ = 7284144. Its totient is φ = 1560864.

The previous prime is 3642031. The next prime is 3642049. The reversal of 3642044 is 4402463.

It is a happy number.

3642044 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65009 + ... + 65064.

It is an arithmetic number, because the mean of its divisors is an integer number (607012).

Almost surely, 2^3642044 is an apocalyptic number.

It is an amenable number.

3642044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3642044 is a wasteful number, since it uses less digits than its factorization.

3642044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130084 (or 130082 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3642044 is about 1908.4140012062. The cubic root of 3642044 is about 153.8562215719.

The spelling of 3642044 in words is "three million, six hundred forty-two thousand, forty-four".