3998249948 has 36 divisors (see below), whose sum is σ = 8789548656. Its totient is φ = 1557758400.

The previous prime is 3998249947. The next prime is 3998249977. The reversal of 3998249948 is 8499428993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998249947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586673 + ... + 593448.

Almost surely, 2^3998249948 is an apocalyptic number.

It is an amenable number.

3998249948 is an abundant number, since it is smaller than the sum of its proper divisors (4791298708).

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

3998249948 is a wasteful number, since it uses less digits than its factorization.

3998249948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180154 (or 1180141 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 65.

The square root of 3998249948 is about 63231.7163138879. The cubic root of 3998249948 is about 1587.1695153327.

The spelling of 3998249948 in words is "three billion, nine hundred ninety-eight million, two hundred forty-nine thousand, nine hundred forty-eight".