2311146 has 32 divisors (see below), whose sum is σ = 5191680. Its totient is φ = 762048.

The previous prime is 2311123. The next prime is 2311147. The reversal of 2311146 is 6411132.

It is a happy number.

2311146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2311147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6690 + ... + 7026.

It is an arithmetic number, because the mean of its divisors is an integer number (162240).

2^2311146 is an apocalyptic number.

2311146 is an abundant number, since it is smaller than the sum of its proper divisors (2880534).

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

2311146 is a wasteful number, since it uses less digits than its factorization.

2311146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 469 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2311146 is about 1520.2453749313. The cubic root of 2311146 is about 132.2134974771.

Adding to 2311146 its reverse (6411132), we get a palindrome (8722278).

The spelling of 2311146 in words is "two million, three hundred eleven thousand, one hundred forty-six".