2319280 has 40 divisors (see below), whose sum is σ = 5504112. Its totient is φ = 908544.

The previous prime is 2319277. The next prime is 2319287. The reversal of 2319280 is 829132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2319287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3967 + ... + 4513.

2^2319280 is an apocalyptic number.

2319280 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 2319280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752056).

2319280 is an abundant number, since it is smaller than the sum of its proper divisors (3184832).

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

2319280 is a wasteful number, since it uses less digits than its factorization.

2319280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2319280 is about 1522.9182512532. The cubic root of 2319280 is about 132.3684228416.

The spelling of 2319280 in words is "two million, three hundred nineteen thousand, two hundred eighty".