3363821 has 4 divisors (see below), whose sum is σ = 3378492. Its totient is φ = 3349152.

The previous prime is 3363809. The next prime is 3363823. The reversal of 3363821 is 1283633.

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 1155625 + 2208196 = 1075^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 3363821 - 2⁶ = 3363757 is a prime.

It is a super-2 number, since 2×3363821² = 22630583440082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3363823) 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, 6986 + ... + 7451.

It is an arithmetic number, because the mean of its divisors is an integer number (844623).

Almost surely, 2^3363821 is an apocalyptic number.

It is an amenable number.

3363821 is a deficient number, since it is larger than the sum of its proper divisors (14671).

3363821 is a wasteful number, since it uses less digits than its factorization.

3363821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14670.

The product of its digits is 2592, while the sum is 26.

The square root of 3363821 is about 1834.0722450329. The cubic root of 3363821 is about 149.8342019928.

The spelling of 3363821 in words is "three million, three hundred sixty-three thousand, eight hundred twenty-one".