3988838 has 8 divisors (see below), whose sum is σ = 6838032. Its totient is φ = 1709496.

The previous prime is 3988823. The next prime is 3988877. The reversal of 3988838 is 8388893.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3988792 and 3988801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142445 + ... + 142472.

It is an arithmetic number, because the mean of its divisors is an integer number (854754).

Almost surely, 2^3988838 is an apocalyptic number.

3988838 is a deficient number, since it is larger than the sum of its proper divisors (2849194).

3988838 is a wasteful number, since it uses less digits than its factorization.

3988838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284926.

The product of its digits is 331776, while the sum is 47.

The square root of 3988838 is about 1997.2075505565. The cubic root of 3988838 is about 158.5923128855.

The spelling of 3988838 in words is "three million, nine hundred eighty-eight thousand, eight hundred thirty-eight".