3361021 has 4 divisors (see below), whose sum is σ = 3385692. Its totient is φ = 3336352.

The previous prime is 3360997. The next prime is 3361031. The reversal of 3361021 is 1201633.

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 784996 + 2576025 = 886^2 + 1605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3361021 - 2¹¹ = 3358973 is a prime.

It is a super-2 number, since 2×3361021² = 22592924324882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3360986 and 3361004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3361031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12130 + ... + 12403.

It is an arithmetic number, because the mean of its divisors is an integer number (846423).

Almost surely, 2^3361021 is an apocalyptic number.

It is an amenable number.

3361021 is a deficient number, since it is larger than the sum of its proper divisors (24671).

3361021 is a wasteful number, since it uses less digits than its factorization.

3361021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24670.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3361021 is about 1833.3087574110. The cubic root of 3361021 is about 149.7926171181.

Adding to 3361021 its reverse (1201633), we get a palindrome (4562654).

The spelling of 3361021 in words is "three million, three hundred sixty-one thousand, twenty-one".