3641042 has 4 divisors (see below), whose sum is σ = 5461566. Its totient is φ = 1820520.

The previous prime is 3641041. The next prime is 3641051. The reversal of 3641042 is 2401463.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3031081 + 609961 = 1741^2 + 781^2 .

It is not an unprimeable number, because it can be changed into a prime (3641041) 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 as a sum of consecutive naturals, namely, 910259 + ... + 910262.

Almost surely, 2^3641042 is an apocalyptic number.

3641042 is a deficient number, since it is larger than the sum of its proper divisors (1820524).

3641042 is a wasteful number, since it uses less digits than its factorization.

3641042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820523.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3641042 is about 1908.1514614936. The cubic root of 3641042 is about 153.8421106245.

The spelling of 3641042 in words is "three million, six hundred forty-one thousand, forty-two".