3363921 has 18 divisors (see below), whose sum is σ = 5342610. Its totient is φ = 2038080.

The previous prime is 3363901. The next prime is 3363937. The reversal of 3363921 is 1293633.

3363921 is a `hidden beast` number, since 3 + 3 + 639 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 69696 = 1815^2 + 264^2 .

It is not a de Polignac number, because 3363921 - 2⁷ = 3363793 is a prime.

It is a super-2 number, since 2×3363921² = 22631928988482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3363901) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 456 + ... + 2633.

Almost surely, 2^3363921 is an apocalyptic number.

It is an amenable number.

3363921 is a deficient number, since it is larger than the sum of its proper divisors (1978689).

3363921 is a wasteful number, since it uses less digits than its factorization.

3363921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3103 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 3363921 is about 1834.0995065699. The cubic root of 3363921 is about 149.8356867401.

The spelling of 3363921 in words is "three million, three hundred sixty-three thousand, nine hundred twenty-one".