4087261 has 16 divisors (see below), whose sum is σ = 4608000. Its totient is φ = 3606768.

The previous prime is 4087253. The next prime is 4087267. The reversal of 4087261 is 1627804.

It is not a de Polignac number, because 4087261 - 2³ = 4087253 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 (4087267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20440 + ... + 20638.

It is an arithmetic number, because the mean of its divisors is an integer number (288000).

Almost surely, 2^4087261 is an apocalyptic number.

4087261 is the 1081-st nonagonal number.

It is an amenable number.

4087261 is a deficient number, since it is larger than the sum of its proper divisors (520739).

4087261 is a wasteful number, since it uses less digits than its factorization.

4087261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 4087261 is about 2021.6975540372. The cubic root of 4087261 is about 159.8861299168.

The spelling of 4087261 in words is "four million, eighty-seven thousand, two hundred sixty-one".