6798421 has 8 divisors (see below), whose sum is σ = 7801920. Its totient is φ = 5803008.

The previous prime is 6798413. The next prime is 6798431. The reversal of 6798421 is 1248976.

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 6798421 - 2³ = 6798413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6798401) 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, 91 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (975240).

Almost surely, 2^6798421 is an apocalyptic number.

It is an amenable number.

6798421 is a deficient number, since it is larger than the sum of its proper divisors (1003499).

6798421 is a wasteful number, since it uses less digits than its factorization.

6798421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043.

The product of its digits is 24192, while the sum is 37.

The square root of 6798421 is about 2607.3781850740. The cubic root of 6798421 is about 189.4389822182.

The spelling of 6798421 in words is "six million, seven hundred ninety-eight thousand, four hundred twenty-one".