3890105 has 8 divisors (see below), whose sum is σ = 4871232. Its totient is φ = 2976688.

The previous prime is 3890083. The next prime is 3890111. The reversal of 3890105 is 5010983.

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 3890105 - 2²⁰ = 2841529 is a prime.

It is a super-2 number, since 2×3890105² = 30265833822050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16799 + ... + 17028.

It is an arithmetic number, because the mean of its divisors is an integer number (608904).

Almost surely, 2^3890105 is an apocalyptic number.

It is an amenable number.

3890105 is a deficient number, since it is larger than the sum of its proper divisors (981127).

3890105 is a wasteful number, since it uses less digits than its factorization.

3890105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33855.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 3890105 is about 1972.3349107086. The cubic root of 3890105 is about 157.2728564166.

The spelling of 3890105 in words is "three million, eight hundred ninety thousand, one hundred five".