3843487 has 4 divisors (see below), whose sum is σ = 3853080. Its totient is φ = 3833896.

The previous prime is 3843467. The next prime is 3843533. The reversal of 3843487 is 7843483.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3843487 is a prime.

It is a Duffinian number.

3843487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843407) 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, 4168 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (963270).

Almost surely, 2^3843487 is an apocalyptic number.

3843487 is a deficient number, since it is larger than the sum of its proper divisors (9593).

3843487 is an equidigital number, since it uses as much as digits as its factorization.

3843487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9592.

The product of its digits is 64512, while the sum is 37.

The square root of 3843487 is about 1960.4813184522. The cubic root of 3843487 is about 156.6420911102.

The spelling of 3843487 in words is "three million, eight hundred forty-three thousand, four hundred eighty-seven".