3542647 has 4 divisors (see below), whose sum is σ = 3751056. Its totient is φ = 3334240.

The previous prime is 3542603. The next prime is 3542653. The reversal of 3542647 is 7462453.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3542647 - 2⁷ = 3542519 is a prime.

It is a super-3 number, since 3×3542647³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3² + 5⁹ + 4⁷ + 2¹⁹ + 6³ + 4¹⁰ + 7² .

It is a Duffinian number.

3542647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3542657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 104179 + ... + 104212.

It is an arithmetic number, because the mean of its divisors is an integer number (937764).

Almost surely, 2^3542647 is an apocalyptic number.

3542647 is a deficient number, since it is larger than the sum of its proper divisors (208409).

3542647 is a wasteful number, since it uses less digits than its factorization.

3542647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208408.

The product of its digits is 20160, while the sum is 31.

The square root of 3542647 is about 1882.1920730892. The cubic root of 3542647 is about 152.4436341005.

The spelling of 3542647 in words is "three million, five hundred forty-two thousand, six hundred forty-seven".