2421360 has 160 divisors (see below), whose sum is σ = 8928000. Its totient is φ = 601344.

The previous prime is 2421347. The next prime is 2421383. The reversal of 2421360 is 631242.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41011 + ... + 41069.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2^2421360 is an apocalyptic number.

2421360 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 2421360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4464000).

2421360 is an abundant number, since it is smaller than the sum of its proper divisors (6506640).

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

2421360 is a wasteful number, since it uses less digits than its factorization.

2421360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 88 counting only the distinct ones).

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

The square root of 2421360 is about 1556.0719777697. The cubic root of 2421360 is about 134.2826143413.

The spelling of 2421360 in words is "two million, four hundred twenty-one thousand, three hundred sixty".