4003055 has 12 divisors (see below), whose sum is σ = 5588280. Its totient is φ = 2744784.

The previous prime is 4003039. The next prime is 4003057. The reversal of 4003055 is 5503004.

It is not a de Polignac number, because 4003055 - 2⁴ = 4003039 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4003057) 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, 7925 + ... + 8414.

It is an arithmetic number, because the mean of its divisors is an integer number (465690).

Almost surely, 2^4003055 is an apocalyptic number.

4003055 is a deficient number, since it is larger than the sum of its proper divisors (1585225).

4003055 is a wasteful number, since it uses less digits than its factorization.

4003055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16358 (or 16351 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 4003055 is about 2000.7636042271. The cubic root of 4003055 is about 158.7805074979.

Adding to 4003055 its reverse (5503004), we get a palindrome (9506059).

The spelling of 4003055 in words is "four million, three thousand, fifty-five".