3487847 has 4 divisors (see below), whose sum is σ = 3804936. Its totient is φ = 3170760.

The previous prime is 3487843. The next prime is 3487871. The reversal of 3487847 is 7487843.

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 3487847 - 2² = 3487843 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 (3487843) 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, 158528 + ... + 158549.

It is an arithmetic number, because the mean of its divisors is an integer number (951234).

Almost surely, 2^3487847 is an apocalyptic number.

3487847 is a deficient number, since it is larger than the sum of its proper divisors (317089).

3487847 is a wasteful number, since it uses less digits than its factorization.

3487847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317088.

The product of its digits is 150528, while the sum is 41.

The square root of 3487847 is about 1867.5778430898. The cubic root of 3487847 is about 151.6535130618.

It can be divided in two parts, 3487 and 847, that added together give a palindrome (4334).

The spelling of 3487847 in words is "three million, four hundred eighty-seven thousand, eight hundred forty-seven".