3554861 has 4 divisors (see below), whose sum is σ = 3588192. Its totient is φ = 3521532.

The previous prime is 3554851. The next prime is 3554891. The reversal of 3554861 is 1684553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1684553 = 13 ⋅129581.

It is a cyclic number.

It is not a de Polignac number, because 3554861 - 2⁶ = 3554797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554821) 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, 16505 + ... + 16718.

It is an arithmetic number, because the mean of its divisors is an integer number (897048).

Almost surely, 2^3554861 is an apocalyptic number.

It is an amenable number.

3554861 is a deficient number, since it is larger than the sum of its proper divisors (33331).

3554861 is a wasteful number, since it uses less digits than its factorization.

3554861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33330.

The product of its digits is 14400, while the sum is 32.

The square root of 3554861 is about 1885.4339023153. The cubic root of 3554861 is about 152.6186266811.

The spelling of 3554861 in words is "three million, five hundred fifty-four thousand, eight hundred sixty-one".