3681230857 has 8 divisors (see below), whose sum is σ = 3729345984. Its totient is φ = 3633205488.

The previous prime is 3681230851. The next prime is 3681230863. The reversal of 3681230857 is 7580321863.

It is an interprime number because it is at equal distance from previous prime (3681230851) and next prime (3681230863).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3681230857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3681230851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62188 + ... + 105970.

It is an arithmetic number, because the mean of its divisors is an integer number (466168248).

Almost surely, 2^3681230857 is an apocalyptic number.

It is an amenable number.

3681230857 is a deficient number, since it is larger than the sum of its proper divisors (48115127).

3681230857 is a wasteful number, since it uses less digits than its factorization.

3681230857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44879.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 3681230857 is about 60673.1477426382. The cubic root of 3681230857 is about 1544.0606358517.

The spelling of 3681230857 in words is "three billion, six hundred eighty-one million, two hundred thirty thousand, eight hundred fifty-seven".