4131855 has 48 divisors (see below), whose sum is σ = 8823360. Its totient is φ = 1741824.

The previous prime is 4131851. The next prime is 4131859. The reversal of 4131855 is 5581314.

It is an interprime number because it is at equal distance from previous prime (4131851) and next prime (4131859).

It is not a de Polignac number, because 4131855 - 2² = 4131851 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3591 + ... + 4599.

It is an arithmetic number, because the mean of its divisors is an integer number (183820).

Almost surely, 2^4131855 is an apocalyptic number.

4131855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4131855 is an abundant number, since it is smaller than the sum of its proper divisors (4691505).

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

4131855 is a wasteful number, since it uses less digits than its factorization.

4131855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1037 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 4131855 is about 2032.6964849677. The cubic root of 4131855 is about 160.4655063149.

The spelling of 4131855 in words is "four million, one hundred thirty-one thousand, eight hundred fifty-five".