3557143 has 8 divisors (see below), whose sum is σ = 3686912. Its totient is φ = 3429216.

The previous prime is 3557129. The next prime is 3557153. The reversal of 3557143 is 3417553.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3557143 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 (3557153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4321 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (460864).

Almost surely, 2^3557143 is an apocalyptic number.

3557143 is a deficient number, since it is larger than the sum of its proper divisors (129769).

3557143 is a wasteful number, since it uses less digits than its factorization.

3557143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its digits is 6300, while the sum is 28.

The square root of 3557143 is about 1886.0389709653. The cubic root of 3557143 is about 152.6512769225.

The spelling of 3557143 in words is "three million, five hundred fifty-seven thousand, one hundred forty-three".