4957686 has 36 divisors (see below), whose sum is σ = 11250876. Its totient is φ = 1636200.

The previous prime is 4957663. The next prime is 4957691. The reversal of 4957686 is 6867594.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49036 + ... + 49136.

Almost surely, 2^4957686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4957686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5625438).

4957686 is an abundant number, since it is smaller than the sum of its proper divisors (6293190).

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

4957686 is an equidigital number, since it uses as much as digits as its factorization.

4957686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 106 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 4957686 is about 2226.5861761899. The cubic root of 4957686 is about 170.5138546775.

The spelling of 4957686 in words is "four million, nine hundred fifty-seven thousand, six hundred eighty-six".