2391306 has 16 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 789824.

The previous prime is 2391293. The next prime is 2391331. The reversal of 2391306 is 6031932.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

2^2391306 is an apocalyptic number.

2391306 is an abundant number, since it is smaller than the sum of its proper divisors (2434998).

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

2391306 is a wasteful number, since it uses less digits than its factorization.

2391306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2391306 is about 1546.3848162731. The cubic root of 2391306 is about 133.7247263510.

The spelling of 2391306 in words is "two million, three hundred ninety-one thousand, three hundred six".