2312838 has 24 divisors (see below), whose sum is σ = 5467176. Its totient is φ = 700800.

The previous prime is 2312809. The next prime is 2312861. The reversal of 2312838 is 8382132.

It is a super-2 number, since 2×2312838² = 10698439228488, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5643 + ... + 6038.

It is an arithmetic number, because the mean of its divisors is an integer number (227799).

2^2312838 is an apocalyptic number.

2312838 is an abundant number, since it is smaller than the sum of its proper divisors (3154338).

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

2312838 is a wasteful number, since it uses less digits than its factorization.

2312838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700 (or 11697 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2312838 is about 1520.8017622294. The cubic root of 2312838 is about 132.2457542981.

The spelling of 2312838 in words is "two million, three hundred twelve thousand, eight hundred thirty-eight".