4081330 has 24 divisors (see below), whose sum is σ = 8077356. Its totient is φ = 1483680.

The previous prime is 4081307. The next prime is 4081331. The reversal of 4081330 is 331804.

It can be written as a sum of positive squares in 2 ways, for example, as 3790809 + 290521 = 1947^2 + 539^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4081298 and 4081307.

It is not an unprimeable number, because it can be changed into a prime (4081331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477 + ... + 2896.

Almost surely, 2^4081330 is an apocalyptic number.

4081330 is a deficient number, since it is larger than the sum of its proper divisors (3996026).

4081330 is a wasteful number, since it uses less digits than its factorization.

4081330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4081330 is about 2020.2301849047. The cubic root of 4081330 is about 159.8087558766.

The spelling of 4081330 in words is "four million, eighty-one thousand, three hundred thirty".