4693681 has 8 divisors (see below), whose sum is σ = 4808520. Its totient is φ = 4580352.

The previous prime is 4693673. The next prime is 4693687. The reversal of 4693681 is 1863964.

4693681 = 16² + 17² + ... + 241².

It can be written as a sum of positive squares in 4 ways, for example, as 32400 + 4661281 = 180^2 + 2159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4693681 - 2³ = 4693673 is a prime.

It is a super-2 number, since 2×4693681² = 44061282659522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4693681.

It is not an unprimeable number, because it can be changed into a prime (4693687) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7965 + ... + 8533.

It is an arithmetic number, because the mean of its divisors is an integer number (601065).

Almost surely, 2^4693681 is an apocalyptic number.

It is an amenable number.

4693681 is a deficient number, since it is larger than the sum of its proper divisors (114839).

4693681 is a wasteful number, since it uses less digits than its factorization.

4693681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 31104, while the sum is 37.

The square root of 4693681 is about 2166.4904800160. The cubic root of 4693681 is about 167.4317654795.

The spelling of 4693681 in words is "four million, six hundred ninety-three thousand, six hundred eighty-one".