2312986 has 16 divisors (see below), whose sum is σ = 3956904. Its totient is φ = 1004544.

The previous prime is 2312983. The next prime is 2312987. The reversal of 2312986 is 6892132.

It can be written as a sum of positive squares in 4 ways, for example, as 2265025 + 47961 = 1505^2 + 219^2 .

It is not an unprimeable number, because it can be changed into a prime (2312983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2175 + ... + 3058.

2^2312986 is an apocalyptic number.

2312986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2312986 is a deficient number, since it is larger than the sum of its proper divisors (1643918).

2312986 is a wasteful number, since it uses less digits than its factorization.

2312986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265.

The product of its digits is 5184, while the sum is 31.

The square root of 2312986 is about 1520.8504199953. The cubic root of 2312986 is about 132.2485750684.

The spelling of 2312986 in words is "two million, three hundred twelve thousand, nine hundred eighty-six".