2781058 has 8 divisors (see below), whose sum is σ = 4767552. Its totient is φ = 1191876.

The previous prime is 2781029. The next prime is 2781059. The reversal of 2781058 is 8501872.

2781058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2781059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99310 + ... + 99337.

It is an arithmetic number, because the mean of its divisors is an integer number (595944).

2^2781058 is an apocalyptic number.

2781058 is a deficient number, since it is larger than the sum of its proper divisors (1986494).

2781058 is a wasteful number, since it uses less digits than its factorization.

2781058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198656.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 2781058 is about 1667.6504429886. The cubic root of 2781058 is about 140.6274220488.

The spelling of 2781058 in words is "two million, seven hundred eighty-one thousand, fifty-eight".