3949568 has 88 divisors (see below), whose sum is σ = 9825600. Its totient is φ = 1548288.

The previous prime is 3949541. The next prime is 3949579. The reversal of 3949568 is 8659493.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136178 + ... + 136206.

Almost surely, 2^3949568 is an apocalyptic number.

3949568 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3949568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4912800).

3949568 is an abundant number, since it is smaller than the sum of its proper divisors (5876032).

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

3949568 is a wasteful number, since it uses less digits than its factorization.

3949568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 57 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 3949568 is about 1987.3520070687. The cubic root of 3949568 is about 158.0701499105.

The spelling of 3949568 in words is "three million, nine hundred forty-nine thousand, five hundred sixty-eight".