3549142 has 16 divisors (see below), whose sum is σ = 5460480. Its totient is φ = 1729728.

The previous prime is 3549137. The next prime is 3549157. The reversal of 3549142 is 2419453.

It is a self number, because there is not a number n which added to its sum of digits gives 3549142.

It is a congruent number.

It is an unprimeable number.

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, 22528 + ... + 22684.

It is an arithmetic number, because the mean of its divisors is an integer number (341280).

Almost surely, 2^3549142 is an apocalyptic number.

3549142 is a deficient number, since it is larger than the sum of its proper divisors (1911338).

3549142 is a wasteful number, since it uses less digits than its factorization.

3549142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375.

The product of its digits is 4320, while the sum is 28.

The square root of 3549142 is about 1883.9166648236. The cubic root of 3549142 is about 152.5367393343.

The spelling of 3549142 in words is "three million, five hundred forty-nine thousand, one hundred forty-two".