3845538 has 12 divisors (see below), whose sum is σ = 8332038. Its totient is φ = 1281840.

The previous prime is 3845537. The next prime is 3845539. The reversal of 3845538 is 8355483.

It is an interprime number because it is at equal distance from previous prime (3845537) and next prime (3845539).

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 31329 = 1953^2 + 177^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3845537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 106803 + ... + 106838.

Almost surely, 2^3845538 is an apocalyptic number.

3845538 is an abundant number, since it is smaller than the sum of its proper divisors (4486500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3845538 is a wasteful number, since it uses less digits than its factorization.

3845538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213649 (or 213646 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 3845538 is about 1961.0043345184. The cubic root of 3845538 is about 156.6699491290.

The spelling of 3845538 in words is "three million, eight hundred forty-five thousand, five hundred thirty-eight".