421414502 has 16 divisors (see below), whose sum is σ = 648423360. Its totient is φ = 205313088.

The previous prime is 421414493. The next prime is 421414529. The reversal of 421414502 is 205414124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11738 + ... + 31314.

It is an arithmetic number, because the mean of its divisors is an integer number (40526460).

Almost surely, 2^421414502 is an apocalyptic number.

421414502 is a deficient number, since it is larger than the sum of its proper divisors (227008858).

421414502 is a wasteful number, since it uses less digits than its factorization.

421414502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19855.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 421414502 is about 20528.3828393763. The cubic root of 421414502 is about 749.7270129458.

Adding to 421414502 its reverse (205414124), we get a palindrome (626828626).

The spelling of 421414502 in words is "four hundred twenty-one million, four hundred fourteen thousand, five hundred two".