6899456 has 18 divisors (see below), whose sum is σ = 13772472. Its totient is φ = 3449600.

The previous prime is 6899447. The next prime is 6899461. The reversal of 6899456 is 6549986.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 6899456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13220 + ... + 13731.

Almost surely, 2^6899456 is an apocalyptic number.

It is an amenable number.

6899456 is a deficient number, since it is larger than the sum of its proper divisors (6873016).

6899456 is an equidigital number, since it uses as much as digits as its factorization.

6899456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26967 (or 26953 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 6899456 is about 2626.6815566414. The cubic root of 6899456 is about 190.3728228988.

The spelling of 6899456 in words is "six million, eight hundred ninety-nine thousand, four hundred fifty-six".