2303540 has 24 divisors (see below), whose sum is σ = 4876200. Its totient is φ = 914048.

The previous prime is 2303533. The next prime is 2303563. The reversal of 2303540 is 453032.

2303540 = T₉₆ + T₉₇ + ... + T₂₄₄.

It can be written as a sum of positive squares in 4 ways, for example, as 59536 + 2244004 = 244^2 + 1498^2 .

It is a congruent number.

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, 2594 + ... + 3366.

It is an arithmetic number, because the mean of its divisors is an integer number (203175).

2^2303540 is an apocalyptic number.

2303540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303540 is an abundant number, since it is smaller than the sum of its proper divisors (2572660).

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

2303540 is a wasteful number, since it uses less digits than its factorization.

2303540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 2303540 is about 1517.7417435124. The cubic root of 2303540 is about 132.0682995181.

Adding to 2303540 its reverse (453032), we get a palindrome (2756572).

The spelling of 2303540 in words is "two million, three hundred three thousand, five hundred forty".