6858481 has 6 divisors (see below), whose sum is σ = 7978290. Its totient is φ = 5878656.

The previous prime is 6858479. The next prime is 6858491. The reversal of 6858481 is 1848586.

It can be written as a sum of positive squares in only one way, i.e., 4036081 + 2822400 = 2009^2 + 1680^2 .

It is not a de Polignac number, because 6858481 - 2¹ = 6858479 is a prime.

It is a super-2 number, since 2×6858481² = 94077523254722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6858491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69936 + ... + 70033.

It is an arithmetic number, because the mean of its divisors is an integer number (1329715).

Almost surely, 2^6858481 is an apocalyptic number.

It is an amenable number.

6858481 is a deficient number, since it is larger than the sum of its proper divisors (1119809).

6858481 is a wasteful number, since it uses less digits than its factorization.

6858481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139983 (or 139976 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 6858481 is about 2618.8701762401. The cubic root of 6858481 is about 189.9952076354.

The spelling of 6858481 in words is "six million, eight hundred fifty-eight thousand, four hundred eighty-one".