3984726 has 8 divisors (see below), whose sum is σ = 7969464. Its totient is φ = 1328240.

The previous prime is 3984679. The next prime is 3984731. The reversal of 3984726 is 6274893.

It is a sphenic number, since it is the product of 3 distinct primes.

3984726 is an admirable number.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 332055 + ... + 332066.

It is an arithmetic number, because the mean of its divisors is an integer number (996183).

Almost surely, 2^3984726 is an apocalyptic number.

3984726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3984726 is a wasteful number, since it uses less digits than its factorization.

3984726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664126.

The product of its digits is 72576, while the sum is 39.

The square root of 3984726 is about 1996.1778477881. The cubic root of 3984726 is about 158.5377977770.

The spelling of 3984726 in words is "three million, nine hundred eighty-four thousand, seven hundred twenty-six".