4013648 has 10 divisors (see below), whose sum is σ = 7776474. Its totient is φ = 2006816.

The previous prime is 4013641. The next prime is 4013651. The reversal of 4013648 is 8463104.

It can be written as a sum of positive squares in only one way, i.e., 3952144 + 61504 = 1988^2 + 248^2 .

It is a super-2 number, since 2×4013648² = 32218740535808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125411 + ... + 125442.

Almost surely, 2^4013648 is an apocalyptic number.

It is an amenable number.

4013648 is a deficient number, since it is larger than the sum of its proper divisors (3762826).

4013648 is a wasteful number, since it uses less digits than its factorization.

4013648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250861 (or 250855 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4013648 is about 2003.4090945186. The cubic root of 4013648 is about 158.9204406635.

The spelling of 4013648 in words is "four million, thirteen thousand, six hundred forty-eight".