3548749 has 8 divisors (see below), whose sum is σ = 3631032. Its totient is φ = 3467520.

The previous prime is 3548737. The next prime is 3548773. The reversal of 3548749 is 9478453.

3548749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1671849 + 1876900 = 1293^2 + 1370^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3548749 - 2⁷ = 3548621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3548719) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12489 + ... + 12769.

It is an arithmetic number, because the mean of its divisors is an integer number (453879).

Almost surely, 2^3548749 is an apocalyptic number.

It is an amenable number.

3548749 is a deficient number, since it is larger than the sum of its proper divisors (82283).

3548749 is a wasteful number, since it uses less digits than its factorization.

3548749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its digits is 120960, while the sum is 40.

The square root of 3548749 is about 1883.8123579593. The cubic root of 3548749 is about 152.5311089451.

It can be divided in two parts, 35 and 48749, that added together give a palindrome (48784).

The spelling of 3548749 in words is "three million, five hundred forty-eight thousand, seven hundred forty-nine".