3557142 has 32 divisors (see below), whose sum is σ = 8323200. Its totient is φ = 1122984.

The previous prime is 3557129. The next prime is 3557153. The reversal of 3557142 is 2417553.

It is a happy number.

3557142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708 + ... + 2759.

It is an arithmetic number, because the mean of its divisors is an integer number (260100).

Almost surely, 2^3557142 is an apocalyptic number.

3557142 is an abundant number, since it is smaller than the sum of its proper divisors (4766058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3557142 is a wasteful number, since it uses less digits than its factorization.

3557142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497 (or 3491 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 3557142 is about 1886.0387058595. The cubic root of 3557142 is about 152.6512626178.

The spelling of 3557142 in words is "three million, five hundred fifty-seven thousand, one hundred forty-two".