4089901 has 4 divisors (see below), whose sum is σ = 4117500. Its totient is φ = 4062304.

The previous prime is 4089889. The next prime is 4089907. The reversal of 4089901 is 1099804.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 2402500 = 1299^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 4089901 - 2¹⁹ = 3565613 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 (4089907) 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, 13576 + ... + 13873.

It is an arithmetic number, because the mean of its divisors is an integer number (1029375).

Almost surely, 2^4089901 is an apocalyptic number.

It is an amenable number.

4089901 is a deficient number, since it is larger than the sum of its proper divisors (27599).

4089901 is a wasteful number, since it uses less digits than its factorization.

4089901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27598.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 4089901 is about 2022.3503652928. The cubic root of 4089901 is about 159.9205464887.

The spelling of 4089901 in words is "four million, eighty-nine thousand, nine hundred one".