3911248 has 40 divisors (see below), whose sum is σ = 8410176. Its totient is φ = 1747200.

The previous prime is 3911227. The next prime is 3911249. The reversal of 3911248 is 8421193.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3911249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12340 + ... + 12652.

Almost surely, 2^3911248 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 3911248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4205088).

3911248 is an abundant number, since it is smaller than the sum of its proper divisors (4498928).

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

3911248 is a wasteful number, since it uses less digits than its factorization.

3911248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 397 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 3911248 is about 1977.6875385156. The cubic root of 3911248 is about 157.5572715209.

The spelling of 3911248 in words is "three million, nine hundred eleven thousand, two hundred forty-eight".