2312788 has 18 divisors (see below), whose sum is σ = 4234874. Its totient is φ = 1105104.

The previous prime is 2312753. The next prime is 2312789. The reversal of 2312788 is 8872132.

It can be written as a sum of positive squares in only one way, i.e., 2304324 + 8464 = 1518^2 + 92^2 .

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1570 + ... + 2662.

2^2312788 is an apocalyptic number.

It is an amenable number.

2312788 is a deficient number, since it is larger than the sum of its proper divisors (1922086).

2312788 is a wasteful number, since it uses less digits than its factorization.

2312788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143 (or 1118 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 2312788 is about 1520.7853234431. The cubic root of 2312788 is about 132.2448013079.

The spelling of 2312788 in words is "two million, three hundred twelve thousand, seven hundred eighty-eight".