2321146 has 16 divisors (see below), whose sum is σ = 3714984. Its totient is φ = 1083904.

The previous prime is 2321117. The next prime is 2321147. The reversal of 2321146 is 6411232.

It can be written as a sum of positive squares in 4 ways, for example, as 2283121 + 38025 = 1511^2 + 195^2 .

It is not an unprimeable number, because it can be changed into a prime (2321147) 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 7 ways as a sum of consecutive naturals, for example, 7776 + ... + 8068.

2^2321146 is an apocalyptic number.

2321146 is a deficient number, since it is larger than the sum of its proper divisors (1393838).

2321146 is a wasteful number, since it uses less digits than its factorization.

2321146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its digits is 288, while the sum is 19.

The square root of 2321146 is about 1523.5307676578. The cubic root of 2321146 is about 132.4039127731.

Adding to 2321146 its reverse (6411232), we get a palindrome (8732378).

It can be divided in two parts, 232 and 1146, that added together give a triangular number (1378 = T₅₂).

The spelling of 2321146 in words is "two million, three hundred twenty-one thousand, one hundred forty-six".