3640799 has 4 divisors (see below), whose sum is σ = 3832440. Its totient is φ = 3449160.

The previous prime is 3640789. The next prime is 3640801. The reversal of 3640799 is 9970463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3640799 - 2⁸ = 3640543 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95792 + ... + 95829.

It is an arithmetic number, because the mean of its divisors is an integer number (958110).

Almost surely, 2^3640799 is an apocalyptic number.

3640799 is a deficient number, since it is larger than the sum of its proper divisors (191641).

3640799 is a wasteful number, since it uses less digits than its factorization.

3640799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191640.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 3640799 is about 1908.0877862405. The cubic root of 3640799 is about 153.8386881185.

The spelling of 3640799 in words is "three million, six hundred forty thousand, seven hundred ninety-nine".