3979248 has 80 divisors (see below), whose sum is σ = 12665856. Its totient is φ = 1048320.

The previous prime is 3979247. The next prime is 3979259. The reversal of 3979248 is 8429793.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3913 + ... + 4823.

Almost surely, 2^3979248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3979248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6332928).

3979248 is an abundant number, since it is smaller than the sum of its proper divisors (8686608).

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

3979248 is a wasteful number, since it uses less digits than its factorization.

3979248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 936 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 3979248 is about 1994.8052536526. The cubic root of 3979248 is about 158.4651145414.

The spelling of 3979248 in words is "three million, nine hundred seventy-nine thousand, two hundred forty-eight".