4081149 has 6 divisors (see below), whose sum is σ = 5895006. Its totient is φ = 2720760.

The previous prime is 4081111. The next prime is 4081153. The reversal of 4081149 is 9411804.

It can be written as a sum of positive squares in only one way, i.e., 3980025 + 101124 = 1995^2 + 318^2 .

It is not a de Polignac number, because 4081149 - 2²¹ = 1983997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 226722 + ... + 226739.

It is an arithmetic number, because the mean of its divisors is an integer number (982501).

Almost surely, 2^4081149 is an apocalyptic number.

It is an amenable number.

4081149 is a deficient number, since it is larger than the sum of its proper divisors (1813857).

4081149 is a wasteful number, since it uses less digits than its factorization.

4081149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453467 (or 453464 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 4081149 is about 2020.1853875325. The cubic root of 4081149 is about 159.8063934268.

The spelling of 4081149 in words is "four million, eighty-one thousand, one hundred forty-nine".