3988934 has 4 divisors (see below), whose sum is σ = 5983404. Its totient is φ = 1994466.

The previous prime is 3988909. The next prime is 3988961. The reversal of 3988934 is 4398893.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997232 + ... + 997235.

It is an arithmetic number, because the mean of its divisors is an integer number (1495851).

Almost surely, 2^3988934 is an apocalyptic number.

3988934 is a deficient number, since it is larger than the sum of its proper divisors (1994470).

3988934 is a wasteful number, since it uses less digits than its factorization.

3988934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994469.

The product of its digits is 186624, while the sum is 44.

The square root of 3988934 is about 1997.2315839682. The cubic root of 3988934 is about 158.5935851641.

The spelling of 3988934 in words is "three million, nine hundred eighty-eight thousand, nine hundred thirty-four".