4157648 has 20 divisors (see below), whose sum is σ = 8788128. Its totient is φ = 1889760.

The previous prime is 4157623. The next prime is 4157663. The reversal of 4157648 is 8467514.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11636 + ... + 11987.

Almost surely, 2^4157648 is an apocalyptic number.

It is an amenable number.

4157648 is an abundant number, since it is smaller than the sum of its proper divisors (4630480).

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

4157648 is a wasteful number, since it uses less digits than its factorization.

4157648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23642 (or 23636 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 4157648 is about 2039.0311424792. The cubic root of 4157648 is about 160.7987145430.

The spelling of 4157648 in words is "four million, one hundred fifty-seven thousand, six hundred forty-eight".