3818547 has 12 divisors (see below), whose sum is σ = 5536440. Its totient is φ = 2536128.

The previous prime is 3818543. The next prime is 3818561. The reversal of 3818547 is 7458183.

It is not a de Polignac number, because 3818547 - 2² = 3818543 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (3818543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2404 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (461370).

Almost surely, 2^3818547 is an apocalyptic number.

3818547 is a deficient number, since it is larger than the sum of its proper divisors (1717893).

3818547 is a wasteful number, since it uses less digits than its factorization.

3818547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1599 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3818547 is about 1954.1102834794. The cubic root of 3818547 is about 156.3025440351.

The spelling of 3818547 in words is "three million, eight hundred eighteen thousand, five hundred forty-seven".