3364821 has 24 divisors (see below), whose sum is σ = 5145504. Its totient is φ = 2196720.

The previous prime is 3364813. The next prime is 3364853. The reversal of 3364821 is 1284633.

It is a happy number.

It is not a de Polignac number, because 3364821 - 2³ = 3364813 is a prime.

It is a super-2 number, since 2×3364821² = 22644040724082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3364421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14710 + ... + 14936.

It is an arithmetic number, because the mean of its divisors is an integer number (214396).

Almost surely, 2^3364821 is an apocalyptic number.

It is an amenable number.

3364821 is a deficient number, since it is larger than the sum of its proper divisors (1780683).

3364821 is an equidigital number, since it uses as much as digits as its factorization.

3364821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 291 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3364821 is about 1834.3448421712. The cubic root of 3364821 is about 149.8490481412.

The spelling of 3364821 in words is "three million, three hundred sixty-four thousand, eight hundred twenty-one".