4689081 has 6 divisors (see below), whose sum is σ = 6773130. Its totient is φ = 3126048.

The previous prime is 4689043. The next prime is 4689089. The reversal of 4689081 is 1809864.

It is a happy number.

4689081 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3767481 + 921600 = 1941^2 + 960^2 .

It is not a de Polignac number, because 4689081 - 2⁶ = 4689017 is a prime.

It is a super-2 number, since 2×4689081² = 43974961249122, which contains 22 as substring.

It is a Curzon number.

4689081 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4689089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260496 + ... + 260513.

It is an arithmetic number, because the mean of its divisors is an integer number (1128855).

Almost surely, 2^4689081 is an apocalyptic number.

It is an amenable number.

4689081 is a deficient number, since it is larger than the sum of its proper divisors (2084049).

4689081 is a wasteful number, since it uses less digits than its factorization.

4689081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521015 (or 521012 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 4689081 is about 2165.4285949899. The cubic root of 4689081 is about 167.3770509344.

It can be divided in two parts, 46890 and 81, that added together give a triangular number (46971 = T₃₀₆).

The spelling of 4689081 in words is "four million, six hundred eighty-nine thousand, eighty-one".