3213797 has 4 divisors (see below), whose sum is σ = 3225516. Its totient is φ = 3202080.

The previous prime is 3213779. The next prime is 3213803. The reversal of 3213797 is 7973123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 1653796 = 1249^2 + 1286^2 .

It is a cyclic number.

It is not a de Polignac number, because 3213797 - 2¹⁸ = 2951653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213737) 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, 5438 + ... + 5999.

It is an arithmetic number, because the mean of its divisors is an integer number (806379).

Almost surely, 2^3213797 is an apocalyptic number.

It is an amenable number.

3213797 is a deficient number, since it is larger than the sum of its proper divisors (11719).

3213797 is a wasteful number, since it uses less digits than its factorization.

3213797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11718.

The product of its digits is 7938, while the sum is 32.

The square root of 3213797 is about 1792.7066129180. The cubic root of 3213797 is about 147.5727420575.

The spelling of 3213797 in words is "three million, two hundred thirteen thousand, seven hundred ninety-seven".