3642442 has 16 divisors (see below), whose sum is σ = 5614272. Its totient is φ = 1771840.

The previous prime is 3642427. The next prime is 3642449. The reversal of 3642442 is 2442463.

3642442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3642449) 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 7 ways as a sum of consecutive naturals, for example, 15933 + ... + 16159.

It is an arithmetic number, because the mean of its divisors is an integer number (350892).

Almost surely, 2^3642442 is an apocalyptic number.

3642442 is a deficient number, since it is larger than the sum of its proper divisors (1971830).

3642442 is a wasteful number, since it uses less digits than its factorization.

3642442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 4608, while the sum is 25.

The square root of 3642442 is about 1908.5182734257. The cubic root of 3642442 is about 153.8618258009.

It can be divided in two parts, 364 and 2442, that multiplied together give a palindrome (888888).

The spelling of 3642442 in words is "three million, six hundred forty-two thousand, four hundred forty-two".