421386930 has 48 divisors (see below), whose sum is σ = 1122337944. Its totient is φ = 109628160.

The previous prime is 421386923. The next prime is 421386961. The reversal of 421386930 is 39683124.

It can be written as a sum of positive squares in 4 ways, for example, as 279324369 + 142062561 = 16713^2 + 11919^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53409 + ... + 60788.

Almost surely, 2^421386930 is an apocalyptic number.

421386930 is an abundant number, since it is smaller than the sum of its proper divisors (700951014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421386930 is a wasteful number, since it uses less digits than its factorization.

421386930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114251 (or 114248 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 421386930 is about 20527.7112703779. The cubic root of 421386930 is about 749.7106617255.

The spelling of 421386930 in words is "four hundred twenty-one million, three hundred eighty-six thousand, nine hundred thirty".