3838545 has 24 divisors (see below), whose sum is σ = 6702696. Its totient is φ = 2032128.

The previous prime is 3838529. The next prime is 3838561. The reversal of 3838545 is 5458383.

It is an interprime number because it is at equal distance from previous prime (3838529) and next prime (3838561).

It can be written as a sum of positive squares in 4 ways, for example, as 641601 + 3196944 = 801^2 + 1788^2 .

It is not a de Polignac number, because 3838545 - 2⁴ = 3838529 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8649 + ... + 9081.

It is an arithmetic number, because the mean of its divisors is an integer number (279279).

Almost surely, 2^3838545 is an apocalyptic number.

It is an amenable number.

3838545 is a deficient number, since it is larger than the sum of its proper divisors (2864151).

3838545 is a wasteful number, since it uses less digits than its factorization.

3838545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 638 counting only the distinct ones).

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

The square root of 3838545 is about 1959.2205082634. The cubic root of 3838545 is about 156.5749249106.

It can be divided in two parts, 38 and 38545, that added together give a palindrome (38583).

The spelling of 3838545 in words is "three million, eight hundred thirty-eight thousand, five hundred forty-five".