3877905 has 8 divisors (see below), whose sum is σ = 6204672. Its totient is φ = 2068208.

The previous prime is 3877901. The next prime is 3877927. The reversal of 3877905 is 5097783.

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 3877905 - 2² = 3877901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3877901) 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, 129249 + ... + 129278.

It is an arithmetic number, because the mean of its divisors is an integer number (775584).

Almost surely, 2^3877905 is an apocalyptic number.

It is an amenable number.

3877905 is a deficient number, since it is larger than the sum of its proper divisors (2326767).

3877905 is a wasteful number, since it uses less digits than its factorization.

3877905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258535.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 3877905 is about 1969.2397010014. The cubic root of 3877905 is about 157.1082731843.

The spelling of 3877905 in words is "three million, eight hundred seventy-seven thousand, nine hundred five".