3858455 has 4 divisors (see below), whose sum is σ = 4630152. Its totient is φ = 3086760.

The previous prime is 3858431. The next prime is 3858461. The reversal of 3858455 is 5548583.

3858455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3858455 - 2⁸ = 3858199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385841 + ... + 385850.

It is an arithmetic number, because the mean of its divisors is an integer number (1157538).

Almost surely, 2^3858455 is an apocalyptic number.

3858455 is a deficient number, since it is larger than the sum of its proper divisors (771697).

3858455 is an equidigital number, since it uses as much as digits as its factorization.

3858455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771696.

The product of its digits is 96000, while the sum is 38.

The square root of 3858455 is about 1964.2950389389. The cubic root of 3858455 is about 156.8451690075.

The spelling of 3858455 in words is "three million, eight hundred fifty-eight thousand, four hundred fifty-five".