6247669 has 4 divisors (see below), whose sum is σ = 6252940. Its totient is φ = 6242400.

The previous prime is 6247667. The next prime is 6247691. The reversal of 6247669 is 9667426.

6247669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 439569 + 5808100 = 663^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 6247669 - 2¹ = 6247667 is a prime.

It is a super-2 number, since 2×6247669² = 78066735867122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6247667) 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, 67 + ... + 3535.

It is an arithmetic number, because the mean of its divisors is an integer number (1563235).

Almost surely, 2^6247669 is an apocalyptic number.

It is an amenable number.

6247669 is a deficient number, since it is larger than the sum of its proper divisors (5271).

6247669 is a wasteful number, since it uses less digits than its factorization.

6247669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5270.

The product of its digits is 108864, while the sum is 40.

The square root of 6247669 is about 2499.5337565234. The cubic root of 6247669 is about 184.1786721447.

The spelling of 6247669 in words is "six million, two hundred forty-seven thousand, six hundred sixty-nine".