2309340 has 48 divisors (see below), whose sum is σ = 7056000. Its totient is φ = 559680.

The previous prime is 2309339. The next prime is 2309341. The reversal of 2309340 is 439032.

It is an interprime number because it is at equal distance from previous prime (2309339) and next prime (2309341).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1090 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (147000).

2^2309340 is an apocalyptic number.

2309340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2309340 is an abundant number, since it is smaller than the sum of its proper divisors (4746660).

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

2309340 is a wasteful number, since it uses less digits than its factorization.

2309340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2309340 is about 1519.6512757867. The cubic root of 2309340 is about 132.1790499491.

The spelling of 2309340 in words is "two million, three hundred nine thousand, three hundred forty".