3840481 has 2 divisors, whose sum is σ = 3840482. Its totient is φ = 3840480.

The previous prime is 3840479. The next prime is 3840503. The reversal of 3840481 is 1840483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 1018081 = 1680^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 3840481 - 2¹ = 3840479 is a prime.

It is a super-2 number, since 2×3840481² = 29498588622722, which contains 22 as substring.

Together with 3840479, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3840401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920240 + 1920241.

It is an arithmetic number, because the mean of its divisors is an integer number (1920241).

Almost surely, 2^3840481 is an apocalyptic number.

It is an amenable number.

3840481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3840481 is an equidigital number, since it uses as much as digits as its factorization.

3840481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 3840481 is about 1959.7145200258. The cubic root of 3840481 is about 156.6012437465.

The spelling of 3840481 in words is "three million, eight hundred forty thousand, four hundred eighty-one".