2649158 has 4 divisors (see below), whose sum is σ = 3973740. Its totient is φ = 1324578.

The previous prime is 2649139. The next prime is 2649173. The reversal of 2649158 is 8519462.

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, 662288 + ... + 662291.

It is an arithmetic number, because the mean of its divisors is an integer number (993435).

2^2649158 is an apocalyptic number.

2649158 is a deficient number, since it is larger than the sum of its proper divisors (1324582).

2649158 is a wasteful number, since it uses less digits than its factorization.

2649158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324581.

The product of its digits is 17280, while the sum is 35.

The square root of 2649158 is about 1627.6234208194. The cubic root of 2649158 is about 138.3680924250.

The spelling of 2649158 in words is "two million, six hundred forty-nine thousand, one hundred fifty-eight".