3538261 has 8 divisors (see below), whose sum is σ = 3876120. Its totient is φ = 3214848.

The previous prime is 3538231. The next prime is 3538267. The reversal of 3538261 is 1628353.

It can be written as a sum of positive squares in 4 ways, for example, as 1874161 + 1664100 = 1369^2 + 1290^2 .

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 3538261 - 2⁷ = 3538133 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 (3538267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 4081.

It is an arithmetic number, because the mean of its divisors is an integer number (484515).

Almost surely, 2^3538261 is an apocalyptic number.

It is an amenable number.

3538261 is a deficient number, since it is larger than the sum of its proper divisors (337859).

3538261 is a wasteful number, since it uses less digits than its factorization.

3538261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223.

The product of its digits is 4320, while the sum is 28.

The square root of 3538261 is about 1881.0265814177. The cubic root of 3538261 is about 152.3806968017.

The spelling of 3538261 in words is "three million, five hundred thirty-eight thousand, two hundred sixty-one".