3857755 has 8 divisors (see below), whose sum is σ = 5050224. Its totient is φ = 2805600.

The previous prime is 3857747. The next prime is 3857761. The reversal of 3857755 is 5577583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3857755 - 2³ = 3857747 is a prime.

It is a Duffinian 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, 35016 + ... + 35125.

It is an arithmetic number, because the mean of its divisors is an integer number (631278).

Almost surely, 2^3857755 is an apocalyptic number.

3857755 is a deficient number, since it is larger than the sum of its proper divisors (1192469).

3857755 is a wasteful number, since it uses less digits than its factorization.

3857755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70157.

The product of its digits is 147000, while the sum is 40.

The square root of 3857755 is about 1964.1168498844. The cubic root of 3857755 is about 156.8356834960.

It can be divided in two parts, 3 and 857755, that added together give a palindrome (857758).

The spelling of 3857755 in words is "three million, eight hundred fifty-seven thousand, seven hundred fifty-five".