421434514 has 16 divisors (see below), whose sum is σ = 654363648. Its totient is φ = 203403312.

The previous prime is 421434479. The next prime is 421434523. The reversal of 421434514 is 415434124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13024 + ... + 31819.

It is an arithmetic number, because the mean of its divisors is an integer number (40897728).

Almost surely, 2^421434514 is an apocalyptic number.

421434514 is a deficient number, since it is larger than the sum of its proper divisors (232929134).

421434514 is a wasteful number, since it uses less digits than its factorization.

421434514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45009.

The product of its digits is 7680, while the sum is 28.

The square root of 421434514 is about 20528.8702563000. The cubic root of 421434514 is about 749.7388803585.

Adding to 421434514 its reverse (415434124), we get a palindrome (836868638).

The spelling of 421434514 in words is "four hundred twenty-one million, four hundred thirty-four thousand, five hundred fourteen".