2817138 has 32 divisors (see below), whose sum is σ = 6065280. Its totient is φ = 869120.

The previous prime is 2817137. The next prime is 2817161. The reversal of 2817138 is 8317182.

It is a happy number.

It is a super-2 number, since 2×2817138² = 15872533022088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2817137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7048 + ... + 7436.

It is an arithmetic number, because the mean of its divisors is an integer number (189540).

2^2817138 is an apocalyptic number.

2817138 is an abundant number, since it is smaller than the sum of its proper divisors (3248142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2817138 is a wasteful number, since it uses less digits than its factorization.

2817138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482.

The product of its digits is 2688, while the sum is 30.

The square root of 2817138 is about 1678.4331979558. The cubic root of 2817138 is about 141.2329532773.

The spelling of 2817138 in words is "two million, eight hundred seventeen thousand, one hundred thirty-eight".