2316778 has 4 divisors (see below), whose sum is σ = 3475170. Its totient is φ = 1158388.

The previous prime is 2316773. The next prime is 2316817. The reversal of 2316778 is 8776132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1885129 + 431649 = 1373^2 + 657^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2316773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579193 + ... + 579196.

2^2316778 is an apocalyptic number.

2316778 is a deficient number, since it is larger than the sum of its proper divisors (1158392).

2316778 is a wasteful number, since it uses less digits than its factorization.

2316778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158391.

The product of its digits is 14112, while the sum is 34.

The square root of 2316778 is about 1522.0965803785. The cubic root of 2316778 is about 132.3208067772.

The spelling of 2316778 in words is "two million, three hundred sixteen thousand, seven hundred seventy-eight".