3548642 has 4 divisors (see below), whose sum is σ = 5322966. Its totient is φ = 1774320.

The previous prime is 3548639. The next prime is 3548681. The reversal of 3548642 is 2468453.

3548642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2468453 = 13 ⋅189881.

It can be written as a sum of positive squares in only one way, i.e., 3345241 + 203401 = 1829^2 + 451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3548599 and 3548608.

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 as a sum of consecutive naturals, namely, 887159 + ... + 887162.

Almost surely, 2^3548642 is an apocalyptic number.

3548642 is a deficient number, since it is larger than the sum of its proper divisors (1774324).

3548642 is a wasteful number, since it uses less digits than its factorization.

3548642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774323.

The product of its digits is 23040, while the sum is 32.

The square root of 3548642 is about 1883.7839578890. The cubic root of 3548642 is about 152.5295759173.

The spelling of 3548642 in words is "three million, five hundred forty-eight thousand, six hundred forty-two".