4071090 has 32 divisors (see below), whose sum is σ = 9878400. Its totient is φ = 1073664.

The previous prime is 4071077. The next prime is 4071097. The reversal of 4071090 is 901704.

It is not an unprimeable number, because it can be changed into a prime (4071097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (308700).

Almost surely, 2^4071090 is an apocalyptic number.

4071090 is an abundant number, since it is smaller than the sum of its proper divisors (5807310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4071090 is a wasteful number, since it uses less digits than its factorization.

4071090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 4071090 is about 2017.6942285688. The cubic root of 4071090 is about 159.6749912971.

Adding to 4071090 its reverse (901704), we get a palindrome (4972794).

The spelling of 4071090 in words is "four million, seventy-one thousand, ninety".