3885105 has 32 divisors (see below), whose sum is σ = 7179264. Its totient is φ = 1757376.

The previous prime is 3885103. The next prime is 3885107. The reversal of 3885105 is 5015883.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3885103) and next prime (3885107).

It is not a de Polignac number, because 3885105 - 2¹ = 3885103 is a prime.

It is a super-2 number, since 2×3885105² = 30188081722050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3885103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17002 + ... + 17228.

It is an arithmetic number, because the mean of its divisors is an integer number (224352).

Almost surely, 2^3885105 is an apocalyptic number.

3885105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3885105 is a deficient number, since it is larger than the sum of its proper divisors (3294159).

3885105 is a wasteful number, since it uses less digits than its factorization.

3885105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 3885105 is about 1971.0669699429. The cubic root of 3885105 is about 157.2054459457.

The spelling of 3885105 in words is "three million, eight hundred eighty-five thousand, one hundred five".