6857436 has 12 divisors (see below), whose sum is σ = 16000712. Its totient is φ = 2285808.

The previous prime is 6857429. The next prime is 6857449. The reversal of 6857436 is 6347586.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 6857394 and 6857403.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 285715 + ... + 285738.

Almost surely, 2^6857436 is an apocalyptic number.

It is an amenable number.

6857436 is an abundant number, since it is smaller than the sum of its proper divisors (9143276).

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

6857436 is a wasteful number, since it uses less digits than its factorization.

6857436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571460 (or 571458 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 6857436 is about 2618.6706551226. The cubic root of 6857436 is about 189.9855575356.

The spelling of 6857436 in words is "six million, eight hundred fifty-seven thousand, four hundred thirty-six".