3854815 has 8 divisors (see below), whose sum is σ = 4869360. Its totient is φ = 2921472.

The previous prime is 3854797. The next prime is 3854827. The reversal of 3854815 is 5184583.

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 3854815 - 2⁵ = 3854783 is a prime.

3854815 is a lucky number.

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, 20194 + ... + 20383.

It is an arithmetic number, because the mean of its divisors is an integer number (608670).

Almost surely, 2^3854815 is an apocalyptic number.

3854815 is a deficient number, since it is larger than the sum of its proper divisors (1014545).

3854815 is a wasteful number, since it uses less digits than its factorization.

3854815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40601.

The product of its digits is 19200, while the sum is 34.

The square root of 3854815 is about 1963.3682792589. The cubic root of 3854815 is about 156.7958318125.

It can be divided in two parts, 385 and 4815, that multiplied together give a triangular number (1853775 = T₁₉₂₅).

The spelling of 3854815 in words is "three million, eight hundred fifty-four thousand, eight hundred fifteen".