3538109 has 4 divisors (see below), whose sum is σ = 3541980. Its totient is φ = 3534240.

The previous prime is 3538103. The next prime is 3538127. The reversal of 3538109 is 9018353.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1144900 + 2393209 = 1070^2 + 1547^2 .

It is a cyclic number.

It is not a de Polignac number, because 3538109 - 2²⁰ = 2489533 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3538103) 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, 287 + ... + 2675.

It is an arithmetic number, because the mean of its divisors is an integer number (885495).

Almost surely, 2^3538109 is an apocalyptic number.

It is an amenable number.

3538109 is a deficient number, since it is larger than the sum of its proper divisors (3871).

3538109 is a wasteful number, since it uses less digits than its factorization.

3538109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 3538109 is about 1880.9861775143. The cubic root of 3538109 is about 152.3785147319.

The spelling of 3538109 in words is "three million, five hundred thirty-eight thousand, one hundred nine".