3830845 has 4 divisors (see below), whose sum is σ = 4597020. Its totient is φ = 3064672.

The previous prime is 3830843. The next prime is 3830863. The reversal of 3830845 is 5480383.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2424249 + 1406596 = 1557^2 + 1186^2 .

It is a cyclic number.

It is not a de Polignac number, because 3830845 - 2¹ = 3830843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3830843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383080 + ... + 383089.

It is an arithmetic number, because the mean of its divisors is an integer number (1149255).

Almost surely, 2^3830845 is an apocalyptic number.

It is an amenable number.

3830845 is a deficient number, since it is larger than the sum of its proper divisors (766175).

3830845 is an equidigital number, since it uses as much as digits as its factorization.

3830845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766174.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3830845 is about 1957.2544545868. The cubic root of 3830845 is about 156.4701600435.

The spelling of 3830845 in words is "three million, eight hundred thirty thousand, eight hundred forty-five".