3842547 has 8 divisors (see below), whose sum is σ = 5132544. Its totient is φ = 2557128.

The previous prime is 3842539. The next prime is 3842549. The reversal of 3842547 is 7452483.

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

It is not a de Polignac number, because 3842547 - 2³ = 3842539 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 8⁷ + 4 + 2¹⁷ + 5⁵ + 4³ + 7⁵ .

3842547 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3842549) 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 7 ways as a sum of consecutive naturals, for example, 2298 + ... + 3600.

It is an arithmetic number, because the mean of its divisors is an integer number (641568).

Almost surely, 2^3842547 is an apocalyptic number.

3842547 is a deficient number, since it is larger than the sum of its proper divisors (1289997).

3842547 is a wasteful number, since it uses less digits than its factorization.

3842547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289.

The product of its digits is 26880, while the sum is 33.

The square root of 3842547 is about 1960.2415667463. The cubic root of 3842547 is about 156.6293201055.

The spelling of 3842547 in words is "three million, eight hundred forty-two thousand, five hundred forty-seven".