2314640 has 20 divisors (see below), whose sum is σ = 5381724. Its totient is φ = 925824.

The previous prime is 2314633. The next prime is 2314643. The reversal of 2314640 is 464132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1024144 + 1290496 = 1012^2 + 1136^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2314643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14387 + ... + 14546.

2^2314640 is an apocalyptic number.

2314640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2314640 is an abundant number, since it is smaller than the sum of its proper divisors (3067084).

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

2314640 is a wasteful number, since it uses less digits than its factorization.

2314640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28946 (or 28940 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2314640 is about 1521.3940975303. The cubic root of 2314640 is about 132.2800908989.

Adding to 2314640 its reverse (464132), we get a palindrome (2778772).

The spelling of 2314640 in words is "two million, three hundred fourteen thousand, six hundred forty".