3538947 has 4 divisors (see below), whose sum is σ = 4718600. Its totient is φ = 2359296.

The previous prime is 3538933. The next prime is 3538949. The reversal of 3538947 is 7498353.

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

It is not a de Polignac number, because 3538947 - 2¹¹ = 3536899 is a prime.

It is a D-number.

It is a Duffinian number.

3538947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3538949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589822 + ... + 589827.

It is an arithmetic number, because the mean of its divisors is an integer number (1179650).

Almost surely, 2^3538947 is an apocalyptic number.

3538947 is a deficient number, since it is larger than the sum of its proper divisors (1179653).

3538947 is a wasteful number, since it uses less digits than its factorization.

3538947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179652.

The product of its digits is 90720, while the sum is 39.

The square root of 3538947 is about 1881.2089198173. The cubic root of 3538947 is about 152.3905440499.

The spelling of 3538947 in words is "three million, five hundred thirty-eight thousand, nine hundred forty-seven".