2320740 has 36 divisors (see below), whose sum is σ = 7040124. Its totient is φ = 618816.

The previous prime is 2320739. The next prime is 2320741. The reversal of 2320740 is 470232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2320739) and next prime (2320741).

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 1205604 = 1056^2 + 1098^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (2320741) 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, 6267 + ... + 6626.

It is an arithmetic number, because the mean of its divisors is an integer number (195559).

2^2320740 is an apocalyptic number.

2320740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320740 is an abundant number, since it is smaller than the sum of its proper divisors (4719384).

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

2320740 is a wasteful number, since it uses less digits than its factorization.

2320740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12908 (or 12903 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2320740 is about 1523.3975187061. The cubic root of 2320740 is about 132.3961925746.

Adding to 2320740 its reverse (470232), we get a palindrome (2790972).

The spelling of 2320740 in words is "two million, three hundred twenty thousand, seven hundred forty".