3660856438 has 8 divisors (see below), whose sum is σ = 5505402240. Its totient is φ = 1825722360.

The previous prime is 3660856417. The next prime is 3660856447. The reversal of 3660856438 is 8346580663.

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

It is a junction number, because it is equal to n+sod(n) for n = 3660856391 and 3660856400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2351958 + ... + 2353513.

It is an arithmetic number, because the mean of its divisors is an integer number (688175280).

Almost surely, 2^3660856438 is an apocalyptic number.

3660856438 is a deficient number, since it is larger than the sum of its proper divisors (1844545802).

3660856438 is a wasteful number, since it uses less digits than its factorization.

3660856438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705862.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The square root of 3660856438 is about 60505.0116767198. The cubic root of 3660856438 is about 1541.2067392629.

The spelling of 3660856438 in words is "three billion, six hundred sixty million, eight hundred fifty-six thousand, four hundred thirty-eight".