3855118 has 4 divisors (see below), whose sum is σ = 5782680. Its totient is φ = 1927558.

The previous prime is 3855091. The next prime is 3855127. The reversal of 3855118 is 8115583.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3855118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 963778 + ... + 963781.

It is an arithmetic number, because the mean of its divisors is an integer number (1445670).

Almost surely, 2^3855118 is an apocalyptic number.

3855118 is a deficient number, since it is larger than the sum of its proper divisors (1927562).

3855118 is a wasteful number, since it uses less digits than its factorization.

3855118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927561.

The product of its digits is 4800, while the sum is 31.

The square root of 3855118 is about 1963.4454410551. The cubic root of 3855118 is about 156.7999399122.

The spelling of 3855118 in words is "three million, eight hundred fifty-five thousand, one hundred eighteen".