421330514 has 48 divisors (see below), whose sum is σ = 739144224. Its totient is φ = 178516800.

The previous prime is 421330457. The next prime is 421330519. The reversal of 421330514 is 415033124.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 421330514.

It is not an unprimeable number, because it can be changed into a prime (421330519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 476717 + ... + 477599.

It is an arithmetic number, because the mean of its divisors is an integer number (15398838).

Almost surely, 2^421330514 is an apocalyptic number.

421330514 is a deficient number, since it is larger than the sum of its proper divisors (317813710).

421330514 is a wasteful number, since it uses less digits than its factorization.

421330514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 421330514 is about 20526.3370819053. The cubic root of 421330514 is about 749.6772027188.

Adding to 421330514 its reverse (415033124), we get a palindrome (836363638).

The spelling of 421330514 in words is "four hundred twenty-one million, three hundred thirty thousand, five hundred fourteen".