4081290 has 16 divisors (see below), whose sum is σ = 9795168. Its totient is φ = 1088336.

The previous prime is 4081283. The next prime is 4081303. The reversal of 4081290 is 921804.

4081290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4081290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67992 + ... + 68051.

It is an arithmetic number, because the mean of its divisors is an integer number (612198).

Almost surely, 2^4081290 is an apocalyptic number.

4081290 is an abundant number, since it is smaller than the sum of its proper divisors (5713878).

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

4081290 is a wasteful number, since it uses less digits than its factorization.

4081290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136053.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 4081290 is about 2020.2202850184. The cubic root of 4081290 is about 159.8082337943.

It can be divided in two parts, 4081 and 290, that added together give a triangular number (4371 = T₉₃).

The spelling of 4081290 in words is "four million, eighty-one thousand, two hundred ninety".