4135648 has 48 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 1814400.

The previous prime is 4135627. The next prime is 4135717. The reversal of 4135648 is 8465314.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is a congruent number.

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, 10723 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

Almost surely, 2^4135648 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 4135648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4596480).

4135648 is an abundant number, since it is smaller than the sum of its proper divisors (5057312).

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

4135648 is a wasteful number, since it uses less digits than its factorization.

4135648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431 (or 423 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 4135648 is about 2033.6292680821. The cubic root of 4135648 is about 160.5145931873.

The spelling of 4135648 in words is "four million, one hundred thirty-five thousand, six hundred forty-eight".