3487443 has 4 divisors (see below), whose sum is σ = 4649928. Its totient is φ = 2324960.

The previous prime is 3487439. The next prime is 3487489. The reversal of 3487443 is 3447843.

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 3487443 - 2² = 3487439 is a prime.

It is a d-powerful number, because it can be written as 3² + 4⁶ + 8³ + 7⁷ + 4⁷ + 4¹⁰ + 3¹³ .

It is a D-number.

3487443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3487403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581238 + ... + 581243.

It is an arithmetic number, because the mean of its divisors is an integer number (1162482).

Almost surely, 2^3487443 is an apocalyptic number.

3487443 is a deficient number, since it is larger than the sum of its proper divisors (1162485).

3487443 is a wasteful number, since it uses less digits than its factorization.

3487443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162484.

The product of its digits is 32256, while the sum is 33.

The square root of 3487443 is about 1867.4696784687. The cubic root of 3487443 is about 151.6476574547.

The spelling of 3487443 in words is "three million, four hundred eighty-seven thousand, four hundred forty-three".