3937998 has 8 divisors (see below), whose sum is σ = 7876008. Its totient is φ = 1312664.

The previous prime is 3937993. The next prime is 3938029. The reversal of 3937998 is 8997393.

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

3937998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3937993) 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, 328161 + ... + 328172.

It is an arithmetic number, because the mean of its divisors is an integer number (984501).

Almost surely, 2^3937998 is an apocalyptic number.

3937998 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.

3937998 is a wasteful number, since it uses less digits than its factorization.

3937998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656338.

The product of its digits is 367416, while the sum is 48.

The square root of 3937998 is about 1984.4389635360. The cubic root of 3937998 is about 157.9156469033.

The spelling of 3937998 in words is "three million, nine hundred thirty-seven thousand, nine hundred ninety-eight".