3640353 has 4 divisors (see below), whose sum is σ = 4853808. Its totient is φ = 2426900.

The previous prime is 3640333. The next prime is 3640369. The reversal of 3640353 is 3530463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3640353 - 2⁶ = 3640289 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3640333) 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, 606723 + ... + 606728.

It is an arithmetic number, because the mean of its divisors is an integer number (1213452).

Almost surely, 2^3640353 is an apocalyptic number.

It is an amenable number.

3640353 is a deficient number, since it is larger than the sum of its proper divisors (1213455).

3640353 is a wasteful number, since it uses less digits than its factorization.

3640353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213454.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 3640353 is about 1907.9709117280. The cubic root of 3640353 is about 153.8324060856.

It can be divided in two parts, 3640 and 353, that added together give a palindrome (3993).

The spelling of 3640353 in words is "three million, six hundred forty thousand, three hundred fifty-three".