2181058 has 8 divisors (see below), whose sum is σ = 3569040. Its totient is φ = 991380.

The previous prime is 2181031. The next prime is 2181071. The reversal of 2181058 is 8501812.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49548 + ... + 49591.

It is an arithmetic number, because the mean of its divisors is an integer number (446130).

2^2181058 is an apocalyptic number.

2181058 is a deficient number, since it is larger than the sum of its proper divisors (1387982).

2181058 is a wasteful number, since it uses less digits than its factorization.

2181058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99152.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 2181058 is about 1476.8405465723. The cubic root of 2181058 is about 129.6847985018.

The spelling of 2181058 in words is "two million, one hundred eighty-one thousand, fifty-eight".