3911648 has 24 divisors (see below), whose sum is σ = 8294328. Its totient is φ = 1805184.

The previous prime is 3911647. The next prime is 3911653. The reversal of 3911648 is 8461193.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3911647) 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, 4286 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (345597).

Almost surely, 2^3911648 is an apocalyptic number.

It is an amenable number.

3911648 is an abundant number, since it is smaller than the sum of its proper divisors (4382680).

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

3911648 is a wasteful number, since it uses less digits than its factorization.

3911648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426 (or 9418 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 3911648 is about 1977.7886641398. The cubic root of 3911648 is about 157.5626424205.

The spelling of 3911648 in words is "three million, nine hundred eleven thousand, six hundred forty-eight".