3642387 has 16 divisors (see below), whose sum is σ = 5605632. Its totient is φ = 2060640.

The previous prime is 3642377. The next prime is 3642427. The reversal of 3642387 is 7832463.

3642387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3642387 - 2⁶ = 3642323 is a prime.

3642387 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642307) 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 15 ways as a sum of consecutive naturals, for example, 1437 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (350352).

Almost surely, 2^3642387 is an apocalyptic number.

3642387 is a deficient number, since it is larger than the sum of its proper divisors (1963245).

3642387 is a wasteful number, since it uses less digits than its factorization.

3642387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738.

The product of its digits is 24192, while the sum is 33.

The square root of 3642387 is about 1908.5038642874. The cubic root of 3642387 is about 153.8610513715.

It can be divided in two parts, 364 and 2387, that multiplied together give a palindrome (868868).

The spelling of 3642387 in words is "three million, six hundred forty-two thousand, three hundred eighty-seven".