3855513 has 16 divisors (see below), whose sum is σ = 5446656. Its totient is φ = 2420880.

The previous prime is 3855503. The next prime is 3855539. The reversal of 3855513 is 3155583.

It is not a de Polignac number, because 3855513 - 2⁴ = 3855497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3855503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4506 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (340416).

Almost surely, 2^3855513 is an apocalyptic number.

It is an amenable number.

3855513 is a deficient number, since it is larger than the sum of its proper divisors (1591143).

3855513 is a wasteful number, since it uses less digits than its factorization.

3855513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its digits is 9000, while the sum is 30.

The square root of 3855513 is about 1963.5460269624. The cubic root of 3855513 is about 156.8052950324.

The spelling of 3855513 in words is "three million, eight hundred fifty-five thousand, five hundred thirteen".