3640307 has 8 divisors (see below), whose sum is σ = 3993600. Its totient is φ = 3290760.

The previous prime is 3640289. The next prime is 3640309. The reversal of 3640307 is 7030463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3640307 - 2⁶ = 3640243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3640309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (499200).

Almost surely, 2^3640307 is an apocalyptic number.

3640307 is a deficient number, since it is larger than the sum of its proper divisors (353293).

3640307 is a wasteful number, since it uses less digits than its factorization.

3640307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873.

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

The square root of 3640307 is about 1907.9588569988. The cubic root of 3640307 is about 153.8317581338.

The spelling of 3640307 in words is "three million, six hundred forty thousand, three hundred seven".