3988395 has 24 divisors (see below), whose sum is σ = 6960096. Its totient is φ = 2112768.

The previous prime is 3988381. The next prime is 3988403. The reversal of 3988395 is 5938893.

It is not a de Polignac number, because 3988395 - 2⁶ = 3988331 is a prime.

It is a super-3 number, since 3×3988395³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3988395.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11667 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (290004).

Almost surely, 2^3988395 is an apocalyptic number.

3988395 is a deficient number, since it is larger than the sum of its proper divisors (2971701).

3988395 is a wasteful number, since it uses less digits than its factorization.

3988395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 608 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 3988395 is about 1997.0966426290. The cubic root of 3988395 is about 158.5864415853.

The spelling of 3988395 in words is "three million, nine hundred eighty-eight thousand, three hundred ninety-five".