6791649 has 8 divisors (see below), whose sum is σ = 9149280. Its totient is φ = 4480896.

The previous prime is 6791623. The next prime is 6791677. The reversal of 6791649 is 9461976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6791649 - 2¹³ = 6783457 is a prime.

It is a super-2 number, since 2×6791649² = 92252992278402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6791649.

It is not an unprimeable number, because it can be changed into a prime (6791689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11379 + ... + 11960.

It is an arithmetic number, because the mean of its divisors is an integer number (1143660).

Almost surely, 2^6791649 is an apocalyptic number.

It is an amenable number.

6791649 is a deficient number, since it is larger than the sum of its proper divisors (2357631).

6791649 is a wasteful number, since it uses less digits than its factorization.

6791649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23439.

The product of its digits is 81648, while the sum is 42.

The square root of 6791649 is about 2606.0792390102. The cubic root of 6791649 is about 189.3760604021.

The spelling of 6791649 in words is "six million, seven hundred ninety-one thousand, six hundred forty-nine".