3547142 has 4 divisors (see below), whose sum is σ = 5320716. Its totient is φ = 1773570.

The previous prime is 3547111. The next prime is 3547151. The reversal of 3547142 is 2417453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2417453 = 163 ⋅14831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 886784 + ... + 886787.

It is an arithmetic number, because the mean of its divisors is an integer number (1330179).

Almost surely, 2^3547142 is an apocalyptic number.

3547142 is a deficient number, since it is larger than the sum of its proper divisors (1773574).

3547142 is a wasteful number, since it uses less digits than its factorization.

3547142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773573.

The product of its digits is 3360, while the sum is 26.

The square root of 3547142 is about 1883.3857809806. The cubic root of 3547142 is about 152.5080816285.

Subtracting from 3547142 its sum of digits (26), we obtain a triangular number (3547116 = T₂₆₆₃).

The spelling of 3547142 in words is "three million, five hundred forty-seven thousand, one hundred forty-two".