6857946 has 48 divisors (see below), whose sum is σ = 15672384. Its totient is φ = 2247264.

The previous prime is 6857927. The next prime is 6857957. The reversal of 6857946 is 6497586.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 49990 + ... + 50126.

It is an arithmetic number, because the mean of its divisors is an integer number (326508).

Almost surely, 2^6857946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6857946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7836192).

6857946 is an abundant number, since it is smaller than the sum of its proper divisors (8814438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6857946 is a wasteful number, since it uses less digits than its factorization.

6857946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 245 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6857946 is about 2618.7680309642. The cubic root of 6857946 is about 189.9902672762.

The spelling of 6857946 in words is "six million, eight hundred fifty-seven thousand, nine hundred forty-six".