3998244 has 12 divisors (see below), whose sum is σ = 9329264. Its totient is φ = 1332744.

The previous prime is 3998233. The next prime is 3998249. The reversal of 3998244 is 4428993.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (3998249) 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, 166582 + ... + 166605.

Almost surely, 2^3998244 is an apocalyptic number.

It is an amenable number.

3998244 is an abundant number, since it is smaller than the sum of its proper divisors (5331020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3998244 is a wasteful number, since it uses less digits than its factorization.

3998244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333194 (or 333192 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 3998244 is about 1999.5609518092. The cubic root of 3998244 is about 158.7168728281.

The spelling of 3998244 in words is "three million, nine hundred ninety-eight thousand, two hundred forty-four".