6159887 has 4 divisors (see below), whose sum is σ = 6176520. Its totient is φ = 6143256.

The previous prime is 6159869. The next prime is 6159893. The reversal of 6159887 is 7889516.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6159887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6159817) 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, 7748 + ... + 8505.

It is an arithmetic number, because the mean of its divisors is an integer number (1544130).

Almost surely, 2^6159887 is an apocalyptic number.

6159887 is a deficient number, since it is larger than the sum of its proper divisors (16633).

6159887 is a wasteful number, since it uses less digits than its factorization.

6159887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16632.

The product of its digits is 120960, while the sum is 44.

The square root of 6159887 is about 2481.9119645950. The cubic root of 6159887 is about 183.3120081715.

The spelling of 6159887 in words is "six million, one hundred fifty-nine thousand, eight hundred eighty-seven".