6890479 has 8 divisors (see below), whose sum is σ = 7060608. Its totient is φ = 6722520.

The previous prime is 6890453. The next prime is 6890497. The reversal of 6890479 is 9740986.

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 6890479 - 2⁵ = 6890447 is a prime.

It is a Duffinian number.

6890479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890579) 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, 7144 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (882576).

Almost surely, 2^6890479 is an apocalyptic number.

6890479 is a deficient number, since it is larger than the sum of its proper divisors (170129).

6890479 is a wasteful number, since it uses less digits than its factorization.

6890479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 6890479 is about 2624.9721903289. The cubic root of 6890479 is about 190.2902212869.

The spelling of 6890479 in words is "six million, eight hundred ninety thousand, four hundred seventy-nine".