421410342 has 16 divisors (see below), whose sum is σ = 870008832. Its totient is φ = 135938760.

The previous prime is 421410337. The next prime is 421410343. The reversal of 421410342 is 243014124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421410343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132638 + ... + 1133009.

It is an arithmetic number, because the mean of its divisors is an integer number (54375552).

Almost surely, 2^421410342 is an apocalyptic number.

421410342 is an abundant number, since it is smaller than the sum of its proper divisors (448598490).

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

421410342 is a wasteful number, since it uses less digits than its factorization.

421410342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265683.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 421410342 is about 20528.2815159964. The cubic root of 421410342 is about 749.7245459569.

Adding to 421410342 its reverse (243014124), we get a palindrome (664424466).

The spelling of 421410342 in words is "four hundred twenty-one million, four hundred ten thousand, three hundred forty-two".