2049158 has 4 divisors (see below), whose sum is σ = 3073740. Its totient is φ = 1024578.

The previous prime is 2049149. The next prime is 2049161. The reversal of 2049158 is 8519402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8519402 = 2 ⋅4259701.

It is a self number, because there is not a number n which added to its sum of digits gives 2049158.

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, 512288 + ... + 512291.

It is an arithmetic number, because the mean of its divisors is an integer number (768435).

2^2049158 is an apocalyptic number.

2049158 is a deficient number, since it is larger than the sum of its proper divisors (1024582).

2049158 is a wasteful number, since it uses less digits than its factorization.

2049158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024581.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2049158 is about 1431.4880369741. The cubic root of 2049158 is about 127.0160146792.

The spelling of 2049158 in words is "two million, forty-nine thousand, one hundred fifty-eight".