3984090 has 32 divisors (see below), whose sum is σ = 10431936. Its totient is φ = 965760.

The previous prime is 3984073. The next prime is 3984109. The reversal of 3984090 is 904893.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5707 + ... + 6366.

It is an arithmetic number, because the mean of its divisors is an integer number (325998).

Almost surely, 2^3984090 is an apocalyptic number.

3984090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3984090 is an abundant number, since it is smaller than the sum of its proper divisors (6447846).

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

3984090 is a wasteful number, since it uses less digits than its factorization.

3984090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12094.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3984090 is about 1996.0185369881. The cubic root of 3984090 is about 158.5293626170.

The spelling of 3984090 in words is "three million, nine hundred eighty-four thousand, ninety".