3982890 has 16 divisors (see below), whose sum is σ = 9559008. Its totient is φ = 1062096.

The previous prime is 3982883. The next prime is 3982903. The reversal of 3982890 is 982893.

3982890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 66352 + ... + 66411.

It is an arithmetic number, because the mean of its divisors is an integer number (597438).

Almost surely, 2^3982890 is an apocalyptic number.

3982890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3982890 is an abundant number, since it is smaller than the sum of its proper divisors (5576118).

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

3982890 is a wasteful number, since it uses less digits than its factorization.

3982890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132773.

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

The square root of 3982890 is about 1995.7179159390. The cubic root of 3982890 is about 158.5134447757.

The spelling of 3982890 in words is "three million, nine hundred eighty-two thousand, eight hundred ninety".