2157338 has 8 divisors (see below), whose sum is σ = 3315060. Its totient is φ = 1052320.

The previous prime is 2157329. The next prime is 2157341. The reversal of 2157338 is 8337512.

It can be written as a sum of positive squares in 2 ways, for example, as 1605289 + 552049 = 1267^2 + 743^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2157338.

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, 13073 + ... + 13236.

2^2157338 is an apocalyptic number.

2157338 is a deficient number, since it is larger than the sum of its proper divisors (1157722).

2157338 is a wasteful number, since it uses less digits than its factorization.

2157338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26352.

The product of its digits is 5040, while the sum is 29.

The square root of 2157338 is about 1468.7879356803. The cubic root of 2157338 is about 129.2129567468.

The spelling of 2157338 in words is "two million, one hundred fifty-seven thousand, three hundred thirty-eight".