3538161 has 45 divisors (see below), whose sum is σ = 6131433. Its totient is φ = 2031480.

The previous prime is 3538151. The next prime is 3538187. The reversal of 3538161 is 1618353.

The square root of 3538161 is 1881.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3538161 - 2⁷ = 3538033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2160) is a multiple of the sum of its prime factors (72).

It is not an unprimeable number, because it can be changed into a prime (3538151) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 186210 + ... + 186228.

Almost surely, 2^3538161 is an apocalyptic number.

3538161 is the 1881-st square number.

3538161 is the 941-st centered octagonal number.

It is an amenable number.

3538161 is a deficient number, since it is larger than the sum of its proper divisors (2593272).

3538161 is a wasteful number, since it uses less digits than its factorization.

3538161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 33 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The cubic root of 3538161 is about 152.3792612365.

The spelling of 3538161 in words is "three million, five hundred thirty-eight thousand, one hundred sixty-one".