6891401 has 8 divisors (see below), whose sum is σ = 7578624. Its totient is φ = 6214320.

The previous prime is 6891383. The next prime is 6891413. The reversal of 6891401 is 1041986.

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

It is a cyclic number.

It is not a de Polignac number, because 6891401 - 2⁶ = 6891337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6891461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 3863.

It is an arithmetic number, because the mean of its divisors is an integer number (947328).

Almost surely, 2^6891401 is an apocalyptic number.

It is an amenable number.

6891401 is a deficient number, since it is larger than the sum of its proper divisors (687223).

6891401 is a wasteful number, since it uses less digits than its factorization.

6891401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 6891401 is about 2625.1478053626. The cubic root of 6891401 is about 190.2987083485.

The spelling of 6891401 in words is "six million, eight hundred ninety-one thousand, four hundred one".