421097234 has 8 divisors (see below), whose sum is σ = 632385468. Its totient is φ = 210302080.

The previous prime is 421097233. The next prime is 421097249. The reversal of 421097234 is 432790124.

It can be written as a sum of positive squares in 2 ways, for example, as 420127009 + 970225 = 20497^2 + 985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 421097234.

It is not an unprimeable number, because it can be changed into a prime (421097233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121127 + ... + 124554.

Almost surely, 2^421097234 is an apocalyptic number.

421097234 is a deficient number, since it is larger than the sum of its proper divisors (211288234).

421097234 is a wasteful number, since it uses less digits than its factorization.

421097234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246540.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 421097234 is about 20520.6538394857. The cubic root of 421097234 is about 749.5388181028.

The spelling of 421097234 in words is "four hundred twenty-one million, ninety-seven thousand, two hundred thirty-four".