3889290 has 16 divisors (see below), whose sum is σ = 9334368. Its totient is φ = 1037136.

The previous prime is 3889289. The next prime is 3889313. The reversal of 3889290 is 929883.

3889290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64792 + ... + 64851.

It is an arithmetic number, because the mean of its divisors is an integer number (583398).

Almost surely, 2^3889290 is an apocalyptic number.

3889290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3889290 is an abundant number, since it is smaller than the sum of its proper divisors (5445078).

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

3889290 is a wasteful number, since it uses less digits than its factorization.

3889290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129653.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 3889290 is about 1972.1282919729. The cubic root of 3889290 is about 157.2618724517.

The spelling of 3889290 in words is "three million, eight hundred eighty-nine thousand, two hundred ninety".