3984123 has 32 divisors (see below), whose sum is σ = 6435072. Its totient is φ = 2160000.

The previous prime is 3984109. The next prime is 3984131. The reversal of 3984123 is 3214893.

It is not a de Polignac number, because 3984123 - 2¹² = 3980027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15748 + ... + 15998.

It is an arithmetic number, because the mean of its divisors is an integer number (201096).

Almost surely, 2^3984123 is an apocalyptic number.

3984123 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3984123 is a deficient number, since it is larger than the sum of its proper divisors (2450949).

3984123 is a wasteful number, since it uses less digits than its factorization.

3984123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315.

The product of its digits is 5184, while the sum is 30.

The square root of 3984123 is about 1996.0268034272. The cubic root of 3984123 is about 158.5298003125.

The spelling of 3984123 in words is "three million, nine hundred eighty-four thousand, one hundred twenty-three".