3648642 has 16 divisors (see below), whose sum is σ = 7726752. Its totient is φ = 1144640.

The previous prime is 3648587. The next prime is 3648643. The reversal of 3648642 is 2468463.

3648642 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 (3648643) 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, 17784 + ... + 17987.

It is an arithmetic number, because the mean of its divisors is an integer number (482922).

Almost surely, 2^3648642 is an apocalyptic number.

3648642 is an abundant number, since it is smaller than the sum of its proper divisors (4078110).

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

3648642 is a wasteful number, since it uses less digits than its factorization.

3648642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35793.

The product of its digits is 27648, while the sum is 33.

The square root of 3648642 is about 1910.1418795472. The cubic root of 3648642 is about 153.9490751955.

The spelling of 3648642 in words is "three million, six hundred forty-eight thousand, six hundred forty-two".