6421085 has 8 divisors (see below), whose sum is σ = 8405856. Its totient is φ = 4669840.

The previous prime is 6421073. The next prime is 6421099. The reversal of 6421085 is 5801246.

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

It is not a de Polignac number, because 6421085 - 2⁶ = 6421021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58319 + ... + 58428.

It is an arithmetic number, because the mean of its divisors is an integer number (1050732).

Almost surely, 2^6421085 is an apocalyptic number.

It is an amenable number.

6421085 is a deficient number, since it is larger than the sum of its proper divisors (1984771).

6421085 is a wasteful number, since it uses less digits than its factorization.

6421085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116763.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 6421085 is about 2533.9859904901. The cubic root of 6421085 is about 185.8672213040.

The spelling of 6421085 in words is "six million, four hundred twenty-one thousand, eighty-five".