2311967 has 12 divisors (see below), whose sum is σ = 2783880. Its totient is φ = 1912176.

The previous prime is 2311957. The next prime is 2311993. The reversal of 2311967 is 7691132.

It is not a de Polignac number, because 2311967 - 2¹² = 2307871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608 + ... + 2234.

It is an arithmetic number, because the mean of its divisors is an integer number (231990).

2^2311967 is an apocalyptic number.

2311967 is a deficient number, since it is larger than the sum of its proper divisors (471913).

2311967 is a wasteful number, since it uses less digits than its factorization.

2311967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1663 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 2311967 is about 1520.5153731548. The cubic root of 2311967 is about 132.2291512452.

The spelling of 2311967 in words is "two million, three hundred eleven thousand, nine hundred sixty-seven".