3858646 has 8 divisors (see below), whose sum is σ = 6314184. Its totient is φ = 1753920.

The previous prime is 3858629. The next prime is 3858667. The reversal of 3858646 is 6468583.

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 = 3858599 and 3858608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87675 + ... + 87718.

It is an arithmetic number, because the mean of its divisors is an integer number (789273).

Almost surely, 2^3858646 is an apocalyptic number.

3858646 is a deficient number, since it is larger than the sum of its proper divisors (2455538).

3858646 is a wasteful number, since it uses less digits than its factorization.

3858646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175406.

The product of its digits is 138240, while the sum is 40.

The square root of 3858646 is about 1964.3436562883. The cubic root of 3858646 is about 156.8477569979.

The spelling of 3858646 in words is "three million, eight hundred fifty-eight thousand, six hundred forty-six".