3552681 has 12 divisors (see below), whose sum is σ = 5207216. Its totient is φ = 2152920.

The previous prime is 3552673. The next prime is 3552697. The reversal of 3552681 is 1862553.

It is not a de Polignac number, because 3552681 - 2³ = 3552673 is a prime.

It is a super-2 number, since 2×3552681² = 25243084575522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3552611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4531 + ... + 5256.

Almost surely, 2^3552681 is an apocalyptic number.

It is an amenable number.

3552681 is a deficient number, since it is larger than the sum of its proper divisors (1654535).

3552681 is a wasteful number, since it uses less digits than its factorization.

3552681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9812 (or 9801 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 3552681 is about 1884.8556973944. The cubic root of 3552681 is about 152.5874227756.

The spelling of 3552681 in words is "three million, five hundred fifty-two thousand, six hundred eighty-one".