2788958 has 4 divisors (see below), whose sum is σ = 4183440. Its totient is φ = 1394478.

The previous prime is 2788939. The next prime is 2788979. The reversal of 2788958 is 8598872.

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, 697238 + ... + 697241.

It is an arithmetic number, because the mean of its divisors is an integer number (1045860).

2^2788958 is an apocalyptic number.

2788958 is a deficient number, since it is larger than the sum of its proper divisors (1394482).

2788958 is a wasteful number, since it uses less digits than its factorization.

2788958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394481.

The product of its digits is 322560, while the sum is 47.

The square root of 2788958 is about 1670.0173651792. The cubic root of 2788958 is about 140.7604537160.

The spelling of 2788958 in words is "two million, seven hundred eighty-eight thousand, nine hundred fifty-eight".