3554661 has 8 divisors (see below), whose sum is σ = 5170464. Its totient is φ = 2154320.

The previous prime is 3554651. The next prime is 3554669. The reversal of 3554661 is 1664553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3554661 - 2⁶ = 3554597 is a prime.

It is a super-2 number, since 2×3554661² = 25271229649842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554669) 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 7 ways as a sum of consecutive naturals, for example, 53826 + ... + 53891.

It is an arithmetic number, because the mean of its divisors is an integer number (646308).

Almost surely, 2^3554661 is an apocalyptic number.

It is an amenable number.

3554661 is a deficient number, since it is larger than the sum of its proper divisors (1615803).

3554661 is a wasteful number, since it uses less digits than its factorization.

3554661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107731.

The product of its digits is 10800, while the sum is 30.

The square root of 3554661 is about 1885.3808633801. The cubic root of 3554661 is about 152.6157644691.

The spelling of 3554661 in words is "three million, five hundred fifty-four thousand, six hundred sixty-one".