6539854 has 4 divisors (see below), whose sum is σ = 9809784. Its totient is φ = 3269926.

The previous prime is 6539839. The next prime is 6539867. The reversal of 6539854 is 4589356.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1634962 + ... + 1634965.

It is an arithmetic number, because the mean of its divisors is an integer number (2452446).

Almost surely, 2^6539854 is an apocalyptic number.

6539854 is a deficient number, since it is larger than the sum of its proper divisors (3269930).

6539854 is a wasteful number, since it uses less digits than its factorization.

6539854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269929.

The product of its digits is 129600, while the sum is 40.

The square root of 6539854 is about 2557.3138250907. The cubic root of 6539854 is about 187.0062052904.

The spelling of 6539854 in words is "six million, five hundred thirty-nine thousand, eight hundred fifty-four".