3988758 has 8 divisors (see below), whose sum is σ = 7977528. Its totient is φ = 1329584.

The previous prime is 3988753. The next prime is 3988759. The reversal of 3988758 is 8578893.

It is a happy number.

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

3988758 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988753) by changing a digit.

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, 332391 + ... + 332402.

It is an arithmetic number, because the mean of its divisors is an integer number (997191).

Almost surely, 2^3988758 is an apocalyptic number.

3988758 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.

3988758 is a wasteful number, since it uses less digits than its factorization.

3988758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664798.

The product of its digits is 483840, while the sum is 48.

The square root of 3988758 is about 1997.1875224926. The cubic root of 3988758 is about 158.5912526377.

The spelling of 3988758 in words is "three million, nine hundred eighty-eight thousand, seven hundred fifty-eight".