3870851 has 8 divisors (see below), whose sum is σ = 4174800. Its totient is φ = 3576960.

The previous prime is 3870847. The next prime is 3870863. The reversal of 3870851 is 1580783.

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 3870851 - 2² = 3870847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3870821) 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, 1706 + ... + 3263.

It is an arithmetic number, because the mean of its divisors is an integer number (521850).

Almost surely, 2^3870851 is an apocalyptic number.

3870851 is a deficient number, since it is larger than the sum of its proper divisors (303949).

3870851 is a wasteful number, since it uses less digits than its factorization.

3870851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 3870851 is about 1967.4478392069. The cubic root of 3870851 is about 157.0129541558.

The spelling of 3870851 in words is "three million, eight hundred seventy thousand, eight hundred fifty-one".