3640002 has 16 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 1208000.

The previous prime is 3639997. The next prime is 3640019. The reversal of 3640002 is 2000463.

3640002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3640002² = 26499229120008, which contains 22 as substring.

It is an unprimeable number.

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, 298 + ... + 2714.

It is an arithmetic number, because the mean of its divisors is an integer number (457002).

Almost surely, 2^3640002 is an apocalyptic number.

3640002 is an abundant number, since it is smaller than the sum of its proper divisors (3672030).

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

3640002 is a wasteful number, since it uses less digits than its factorization.

3640002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3640002 is about 1907.8789269762. The cubic root of 3640002 is about 153.8274617931.

Adding to 3640002 its reverse (2000463), we get a palindrome (5640465).

The spelling of 3640002 in words is "three million, six hundred forty thousand, two".