4905681 has 16 divisors (see below), whose sum is σ = 7255488. Its totient is φ = 2923200.

The previous prime is 4905661. The next prime is 4905701. The reversal of 4905681 is 1865094.

It is an interprime number because it is at equal distance from previous prime (4905661) and next prime (4905701).

It is not a de Polignac number, because 4905681 - 2⁶ = 4905617 is a prime.

It is a super-2 number, since 2×4905681² = 48131412147522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4905661) 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, 795 + ... + 3231.

It is an arithmetic number, because the mean of its divisors is an integer number (453468).

Almost surely, 2^4905681 is an apocalyptic number.

It is an amenable number.

4905681 is a deficient number, since it is larger than the sum of its proper divisors (2349807).

4905681 is a wasteful number, since it uses less digits than its factorization.

4905681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4905681 is about 2214.8771974988. The cubic root of 4905681 is about 169.9155405140.

The spelling of 4905681 in words is "four million, nine hundred five thousand, six hundred eighty-one".