3885555 has 16 divisors (see below), whose sum is σ = 6385824. Its totient is φ = 2016000.

The previous prime is 3885533. The next prime is 3885569. The reversal of 3885555 is 5555883.

It is not a de Polignac number, because 3885555 - 2¹⁵ = 3852787 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2946 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (399114).

Almost surely, 2^3885555 is an apocalyptic number.

3885555 is a deficient number, since it is larger than the sum of its proper divisors (2500269).

3885555 is a wasteful number, since it uses less digits than its factorization.

3885555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046.

The product of its digits is 120000, while the sum is 39.

The square root of 3885555 is about 1971.1811180102. The cubic root of 3885555 is about 157.2115152556.

The spelling of 3885555 in words is "three million, eight hundred eighty-five thousand, five hundred fifty-five".