4393848657 has 16 divisors (see below), whose sum is σ = 6429330432. Its totient is φ = 2646989520.

The previous prime is 4393848647. The next prime is 4393848659. The reversal of 4393848657 is 7568483934.

It is not a de Polignac number, because 4393848657 - 2¹² = 4393844561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4393848597 and 4393848606.

It is not an unprimeable number, because it can be changed into a prime (4393848659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393133 + ... + 404154.

It is an arithmetic number, because the mean of its divisors is an integer number (401833152).

Almost surely, 2^4393848657 is an apocalyptic number.

It is an amenable number.

4393848657 is a deficient number, since it is larger than the sum of its proper divisors (2035481775).

4393848657 is a wasteful number, since it uses less digits than its factorization.

4393848657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797468.

The product of its digits is 17418240, while the sum is 57.

The square root of 4393848657 is about 66286.1120974824. The cubic root of 4393848657 is about 1637.8785598909.

The spelling of 4393848657 in words is "four billion, three hundred ninety-three million, eight hundred forty-eight thousand, six hundred fifty-seven".