3984137 has 4 divisors (see below), whose sum is σ = 4218516. Its totient is φ = 3749760.

The previous prime is 3984133. The next prime is 3984139. The reversal of 3984137 is 7314893.

3984137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3083536 + 900601 = 1756^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 3984137 - 2² = 3984133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3984097 and 3984106.

It is not an unprimeable number, because it can be changed into a prime (3984131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 117164 + ... + 117197.

It is an arithmetic number, because the mean of its divisors is an integer number (1054629).

Almost surely, 2^3984137 is an apocalyptic number.

It is an amenable number.

3984137 is a deficient number, since it is larger than the sum of its proper divisors (234379).

3984137 is a wasteful number, since it uses less digits than its factorization.

3984137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234378.

The product of its digits is 18144, while the sum is 35.

The square root of 3984137 is about 1996.0303103911. The cubic root of 3984137 is about 158.5299860008.

The spelling of 3984137 in words is "three million, nine hundred eighty-four thousand, one hundred thirty-seven".