6987441 has 4 divisors (see below), whose sum is σ = 9316592. Its totient is φ = 4658292.

The previous prime is 6987433. The next prime is 6987451. The reversal of 6987441 is 1447896.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6987441 - 2³ = 6987433 is a prime.

It is a D-number.

It is a Duffinian number.

6987441 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6987441.

It is not an unprimeable number, because it can be changed into a prime (6987451) 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, 1164571 + ... + 1164576.

It is an arithmetic number, because the mean of its divisors is an integer number (2329148).

Almost surely, 2^6987441 is an apocalyptic number.

It is an amenable number.

6987441 is a deficient number, since it is larger than the sum of its proper divisors (2329151).

6987441 is a wasteful number, since it uses less digits than its factorization.

6987441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329150.

The product of its digits is 48384, while the sum is 39.

The square root of 6987441 is about 2643.3768176331. The cubic root of 6987441 is about 191.1786473970.

The spelling of 6987441 in words is "six million, nine hundred eighty-seven thousand, four hundred forty-one".