3998448 has 30 divisors (see below), whose sum is σ = 11190504. Its totient is φ = 1332768.

The previous prime is 3998419. The next prime is 3998459. The reversal of 3998448 is 8448993.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13740 + ... + 14027.

Almost surely, 2^3998448 is an apocalyptic number.

It is an amenable number.

3998448 is an abundant number, since it is smaller than the sum of its proper divisors (7192056).

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

3998448 is a wasteful number, since it uses less digits than its factorization.

3998448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27781 (or 27772 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3998448 is about 1999.6119623567. The cubic root of 3998448 is about 158.7195721540.

The spelling of 3998448 in words is "three million, nine hundred ninety-eight thousand, four hundred forty-eight".