2157082 has 8 divisors (see below), whose sum is σ = 3288852. Its totient is φ = 1060800.

The previous prime is 2157041. The next prime is 2157091. The reversal of 2157082 is 2807512.

It can be written as a sum of positive squares in 2 ways, for example, as 1798281 + 358801 = 1341^2 + 599^2 .

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

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, 8719 + ... + 8962.

2^2157082 is an apocalyptic number.

2157082 is a deficient number, since it is larger than the sum of its proper divisors (1131770).

2157082 is a wasteful number, since it uses less digits than its factorization.

2157082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17744.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2157082 is about 1468.7007864095. The cubic root of 2157082 is about 129.2078455364.

The spelling of 2157082 in words is "two million, one hundred fifty-seven thousand, eighty-two".