2430421 has 8 divisors (see below), whose sum is σ = 2830464. Its totient is φ = 2043600.

The previous prime is 2430397. The next prime is 2430427. The reversal of 2430421 is 1240342.

2430421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2430421 - 2⁷ = 2430293 is a prime.

2430421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2430395 and 2430404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2430427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (353808).

2^2430421 is an apocalyptic number.

It is an amenable number.

2430421 is a deficient number, since it is larger than the sum of its proper divisors (400043).

2430421 is an equidigital number, since it uses as much as digits as its factorization.

2430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2430421 is about 1558.9807567767. The cubic root of 2430421 is about 134.4499060282.

Adding to 2430421 its reverse (1240342), we get a palindrome (3670763).

The spelling of 2430421 in words is "two million, four hundred thirty thousand, four hundred twenty-one".