3885090 has 64 divisors (see below), whose sum is σ = 10392192. Its totient is φ = 921600.

The previous prime is 3885073. The next prime is 3885103. The reversal of 3885090 is 905883.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20034 + ... + 20226.

It is an arithmetic number, because the mean of its divisors is an integer number (162378).

Almost surely, 2^3885090 is an apocalyptic number.

3885090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3885090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5196096).

3885090 is an abundant number, since it is smaller than the sum of its proper divisors (6507102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3885090 is a wasteful number, since it uses less digits than its factorization.

3885090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 3885090 is about 1971.0631648935. The cubic root of 3885090 is about 157.2052436273.

The spelling of 3885090 in words is "three million, eight hundred eighty-five thousand, ninety".