2303280 has 120 divisors (see below), whose sum is σ = 8859552. Its totient is φ = 525312.

The previous prime is 2303263. The next prime is 2303293. The reversal of 2303280 is 823032.

2303280 = T₁₆ + T₁₇ + ... + T₂₃₉.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4812 + ... + 5268.

2^2303280 is an apocalyptic number.

2303280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2303280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4429776).

2303280 is an abundant number, since it is smaller than the sum of its proper divisors (6556272).

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

2303280 is a wasteful number, since it uses less digits than its factorization.

2303280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2303280 is about 1517.6560875244. The cubic root of 2303280 is about 132.0633304922.

The spelling of 2303280 in words is "two million, three hundred three thousand, two hundred eighty".