6355887 has 4 divisors (see below), whose sum is σ = 8474520. Its totient is φ = 4237256.

The previous prime is 6355879. The next prime is 6355903. The reversal of 6355887 is 7885536.

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

It is a cyclic number.

It is not a de Polignac number, because 6355887 - 2³ = 6355879 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6355087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059312 + ... + 1059317.

It is an arithmetic number, because the mean of its divisors is an integer number (2118630).

Almost surely, 2^6355887 is an apocalyptic number.

6355887 is a deficient number, since it is larger than the sum of its proper divisors (2118633).

6355887 is a wasteful number, since it uses less digits than its factorization.

6355887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118632.

The product of its digits is 201600, while the sum is 42.

The square root of 6355887 is about 2521.0884554097. The cubic root of 6355887 is about 185.2359978198.

The spelling of 6355887 in words is "six million, three hundred fifty-five thousand, eight hundred eighty-seven".