3984007 has 4 divisors (see below), whose sum is σ = 3988000. Its totient is φ = 3980016.

The previous prime is 3983999. The next prime is 3984031. The reversal of 3984007 is 7004893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3984007 - 2³ = 3983999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3984007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994 + ... + 2992.

It is an arithmetic number, because the mean of its divisors is an integer number (997000).

Almost surely, 2^3984007 is an apocalyptic number.

3984007 is a deficient number, since it is larger than the sum of its proper divisors (3993).

3984007 is a wasteful number, since it uses less digits than its factorization.

3984007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3984007 is about 1995.9977454897. The cubic root of 3984007 is about 158.5282617359.

The spelling of 3984007 in words is "three million, nine hundred eighty-four thousand, seven".