2421330 has 32 divisors (see below), whose sum is σ = 5949504. Its totient is φ = 630336.

The previous prime is 2421329. The next prime is 2421343. The reversal of 2421330 is 331242.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (185922).

2^2421330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974752).

2421330 is an abundant number, since it is smaller than the sum of its proper divisors (3528174).

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

2421330 is a wasteful number, since it uses less digits than its factorization.

2421330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2421330 is about 1556.0623380829. The cubic root of 2421330 is about 134.2820597639.

Adding to 2421330 its reverse (331242), we get a palindrome (2752572).

The spelling of 2421330 in words is "two million, four hundred twenty-one thousand, three hundred thirty".