3863870 has 16 divisors (see below), whose sum is σ = 7103808. Its totient is φ = 1512480.

The previous prime is 3863863. The next prime is 3863887. The reversal of 3863870 is 783683.

3863870 = 430² + 431² + ... + 449².

It is a self number, because there is not a number n which added to its sum of digits gives 3863870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3641 + ... + 4580.

It is an arithmetic number, because the mean of its divisors is an integer number (443988).

Almost surely, 2^3863870 is an apocalyptic number.

3863870 is a deficient number, since it is larger than the sum of its proper divisors (3239938).

3863870 is a wasteful number, since it uses less digits than its factorization.

3863870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3863870 is about 1965.6729127706. The cubic root of 3863870 is about 156.9185074799.

The spelling of 3863870 in words is "three million, eight hundred sixty-three thousand, eight hundred seventy".