3808147 has 4 divisors (see below), whose sum is σ = 4352176. Its totient is φ = 3264120.

The previous prime is 3808141. The next prime is 3808157. The reversal of 3808147 is 7418083.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3808147 - 2³ = 3808139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3808141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272004 + ... + 272017.

It is an arithmetic number, because the mean of its divisors is an integer number (1088044).

Almost surely, 2^3808147 is an apocalyptic number.

3808147 is a deficient number, since it is larger than the sum of its proper divisors (544029).

3808147 is an equidigital number, since it uses as much as digits as its factorization.

3808147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544028.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3808147 is about 1951.4474115384. The cubic root of 3808147 is about 156.1605158023.

The spelling of 3808147 in words is "three million, eight hundred eight thousand, one hundred forty-seven".