4057855 has 8 divisors (see below), whose sum is σ = 4942512. Its totient is φ = 3197568.

The previous prime is 4057853. The next prime is 4057861. The reversal of 4057855 is 5587504.

4057855 = T₃₁₄ + T₃₁₅ + ... + T₃₈₀.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4057855 - 2¹ = 4057853 is a prime.

It is a Duffinian number.

4057855 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4057855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5722 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (617814).

Almost surely, 2^4057855 is an apocalyptic number.

4057855 is a deficient number, since it is larger than the sum of its proper divisors (884657).

4057855 is a wasteful number, since it uses less digits than its factorization.

4057855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 4057855 is about 2014.4118248263. The cubic root of 4057855 is about 159.5017704687.

The spelling of 4057855 in words is "four million, fifty-seven thousand, eight hundred fifty-five".