2430540 has 96 divisors (see below), whose sum is σ = 8655360. Its totient is φ = 554688.

The previous prime is 2430539. The next prime is 2430551. The reversal of 2430540 is 450342.

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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3459 + ... + 4101.

It is an arithmetic number, because the mean of its divisors is an integer number (90160).

2^2430540 is an apocalyptic number.

2430540 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 2430540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4327680).

2430540 is an abundant number, since it is smaller than the sum of its proper divisors (6224820).

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

2430540 is a wasteful number, since it uses less digits than its factorization.

2430540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2430540 is about 1559.0189222713. The cubic root of 2430540 is about 134.4521003363.

Adding to 2430540 its reverse (450342), we get a palindrome (2880882).

The spelling of 2430540 in words is "two million, four hundred thirty thousand, five hundred forty".