3554891 has 2 divisors, whose sum is σ = 3554892. Its totient is φ = 3554890.

The previous prime is 3554851. The next prime is 3554893. The reversal of 3554891 is 1984553.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3554891 - 2⁶ = 3554827 is a prime.

Together with 3554893, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3554893) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777445 + 1777446.

It is an arithmetic number, because the mean of its divisors is an integer number (1777446).

Almost surely, 2^3554891 is an apocalyptic number.

3554891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3554891 is an equidigital number, since it uses as much as digits as its factorization.

3554891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 3554891 is about 1885.4418580269. The cubic root of 3554891 is about 152.6190560037.

The spelling of 3554891 in words is "three million, five hundred fifty-four thousand, eight hundred ninety-one".