4957645 has 32 divisors (see below), whose sum is σ = 7557120. Its totient is φ = 3032640.

The previous prime is 4957639. The next prime is 4957663. The reversal of 4957645 is 5467594.

It is not a de Polignac number, because 4957645 - 2¹¹ = 4955597 is a prime.

It is a super-3 number, since 3×4957645³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4957598 and 4957607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30334 + ... + 30496.

It is an arithmetic number, because the mean of its divisors is an integer number (236160).

Almost surely, 2^4957645 is an apocalyptic number.

It is an amenable number.

4957645 is a deficient number, since it is larger than the sum of its proper divisors (2599475).

4957645 is a wasteful number, since it uses less digits than its factorization.

4957645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265.

The product of its digits is 151200, while the sum is 40.

The square root of 4957645 is about 2226.5769692512. The cubic root of 4957645 is about 170.5133846270.

The spelling of 4957645 in words is "four million, nine hundred fifty-seven thousand, six hundred forty-five".