2305240 has 32 divisors (see below), whose sum is σ = 5928480. Its totient is φ = 790272.

The previous prime is 2305169. The next prime is 2305271. The reversal of 2305240 is 425032.

2305240 = 385² + 386² + ... + 399².

2305240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 3837 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (185265).

2^2305240 is an apocalyptic number.

2305240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2305240 is an abundant number, since it is smaller than the sum of its proper divisors (3623240).

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

2305240 is a wasteful number, since it uses less digits than its factorization.

2305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251 (or 8247 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2305240 is about 1518.3016828022. The cubic root of 2305240 is about 132.1007800917.

The spelling of 2305240 in words is "two million, three hundred five thousand, two hundred forty".