2687158 has 4 divisors (see below), whose sum is σ = 4030740. Its totient is φ = 1343578.

The previous prime is 2687149. The next prime is 2687161. The reversal of 2687158 is 8517862.

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

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, 671788 + ... + 671791.

It is an arithmetic number, because the mean of its divisors is an integer number (1007685).

2^2687158 is an apocalyptic number.

2687158 is a deficient number, since it is larger than the sum of its proper divisors (1343582).

2687158 is a wasteful number, since it uses less digits than its factorization.

2687158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343581.

The product of its digits is 26880, while the sum is 37.

The square root of 2687158 is about 1639.2553187347. The cubic root of 2687158 is about 139.0265463506.

The spelling of 2687158 in words is "two million, six hundred eighty-seven thousand, one hundred fifty-eight".