3549742 has 8 divisors (see below), whose sum is σ = 6085296. Its totient is φ = 1521312.

The previous prime is 3549737. The next prime is 3549757. The reversal of 3549742 is 2479453.

3549742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹² + 5⁹ + 4⁷ + 9² + 7 + 4¹⁰ + 2⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 3549698 and 3549707.

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 3 ways as a sum of consecutive naturals, for example, 126763 + ... + 126790.

It is an arithmetic number, because the mean of its divisors is an integer number (760662).

Almost surely, 2^3549742 is an apocalyptic number.

3549742 is a deficient number, since it is larger than the sum of its proper divisors (2535554).

3549742 is a wasteful number, since it uses less digits than its factorization.

3549742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253562.

The product of its digits is 30240, while the sum is 34.

The square root of 3549742 is about 1884.0759008065. The cubic root of 3549742 is about 152.5453345465.

The spelling of 3549742 in words is "three million, five hundred forty-nine thousand, seven hundred forty-two".