3847423 has 8 divisors (see below), whose sum is σ = 4095792. Its totient is φ = 3601536.

The previous prime is 3847421. The next prime is 3847433. The reversal of 3847423 is 3247483.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3847423 - 2¹ = 3847421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3361 + ... + 4357.

It is an arithmetic number, because the mean of its divisors is an integer number (511974).

Almost surely, 2^3847423 is an apocalyptic number.

3847423 is a deficient number, since it is larger than the sum of its proper divisors (248369).

3847423 is a wasteful number, since it uses less digits than its factorization.

3847423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its digits is 16128, while the sum is 31.

The square root of 3847423 is about 1961.4848967045. The cubic root of 3847423 is about 156.6955436937.

The spelling of 3847423 in words is "three million, eight hundred forty-seven thousand, four hundred twenty-three".