3988893 has 4 divisors (see below), whose sum is σ = 5318528. Its totient is φ = 2659260.

The previous prime is 3988889. The next prime is 3988903.

3988893 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3988893 - 2² = 3988889 is a prime.

It is a super-2 number, since 2×3988893² = 31822534730898, which contains 22 as substring.

It is a D-number.

It is a Duffinian 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 (3988823) 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, 664813 + ... + 664818.

It is an arithmetic number, because the mean of its divisors is an integer number (1329632).

Almost surely, 2^3988893 is an apocalyptic number.

It is an amenable number.

3988893 is a deficient number, since it is larger than the sum of its proper divisors (1329635).

3988893 is a wasteful number, since it uses less digits than its factorization.

3988893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329634.

The product of its digits is 373248, while the sum is 48.

The square root of 3988893 is about 1997.2213197340. The cubic root of 3988893 is about 158.5930417976.

The spelling of 3988893 in words is "three million, nine hundred eighty-eight thousand, eight hundred ninety-three".