2453280 has 96 divisors (see below), whose sum is σ = 8164800. Its totient is φ = 617472.

The previous prime is 2453273. The next prime is 2453281. The reversal of 2453280 is 823542.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2453280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2453281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8986 + ... + 9254.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^2453280 is an apocalyptic number.

2453280 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 2453280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4082400).

2453280 is an abundant number, since it is smaller than the sum of its proper divisors (5711520).

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

2453280 is a wasteful number, since it uses less digits than its factorization.

2453280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2453280 is about 1566.2949913730. The cubic root of 2453280 is about 134.8701082595.

The spelling of 2453280 in words is "two million, four hundred fifty-three thousand, two hundred eighty".