421079318 has 16 divisors (see below), whose sum is σ = 689608080. Its totient is φ = 191241600.

The previous prime is 421079303. The next prime is 421079353. The reversal of 421079318 is 813970124.

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, 21818 + ... + 36306.

It is an arithmetic number, because the mean of its divisors is an integer number (43100505).

Almost surely, 2^421079318 is an apocalyptic number.

421079318 is a deficient number, since it is larger than the sum of its proper divisors (268528762).

421079318 is a wasteful number, since it uses less digits than its factorization.

421079318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15823.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 421079318 is about 20520.2172990444. The cubic root of 421079318 is about 749.5281879942.

The spelling of 421079318 in words is "four hundred twenty-one million, seventy-nine thousand, three hundred eighteen".