3640370 has 16 divisors (see below), whose sum is σ = 6779160. Its totient is φ = 1405824.

The previous prime is 3640369. The next prime is 3640379. The reversal of 3640370 is 730463.

3640370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3613801 + 26569 = 1901^2 + 163^2 .

It is not an unprimeable number, because it can be changed into a prime (3640379) 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, 5987 + ... + 6566.

Almost surely, 2^3640370 is an apocalyptic number.

3640370 is a deficient number, since it is larger than the sum of its proper divisors (3138790).

3640370 is a wasteful number, since it uses less digits than its factorization.

3640370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 3640370 is about 1907.9753667173. The cubic root of 3640370 is about 153.8326455447.

The spelling of 3640370 in words is "three million, six hundred forty thousand, three hundred seventy".