4953681 has 12 divisors (see below), whose sum is σ = 7576452. Its totient is φ = 3108096.

The previous prime is 4953679. The next prime is 4953701. The reversal of 4953681 is 1863594.

4953681 is a `hidden beast` number, since 49 + 536 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3549456 + 1404225 = 1884^2 + 1185^2 .

It is not a de Polignac number, because 4953681 - 2¹ = 4953679 is a prime.

It is a super-2 number, since 2×4953681² = 49077910899522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4953601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16036 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (631371).

Almost surely, 2^4953681 is an apocalyptic number.

It is an amenable number.

4953681 is a deficient number, since it is larger than the sum of its proper divisors (2622771).

4953681 is a wasteful number, since it uses less digits than its factorization.

4953681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32400 (or 32397 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 4953681 is about 2225.6866356251. The cubic root of 4953681 is about 170.4679265326.

The spelling of 4953681 in words is "four million, nine hundred fifty-three thousand, six hundred eighty-one".