421785248 has 12 divisors (see below), whose sum is σ = 830389770. Its totient is φ = 210892608.

The previous prime is 421785229. The next prime is 421785271. The reversal of 421785248 is 842587124.

It can be written as a sum of positive squares in only one way, i.e., 410143504 + 11641744 = 20252^2 + 3412^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590363 + ... + 6590426.

Almost surely, 2^421785248 is an apocalyptic number.

It is an amenable number.

421785248 is a deficient number, since it is larger than the sum of its proper divisors (408604522).

421785248 is a wasteful number, since it uses less digits than its factorization.

421785248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13180799 (or 13180791 counting only the distinct ones).

The product of its digits is 143360, while the sum is 41.

The square root of 421785248 is about 20537.4109371167. The cubic root of 421785248 is about 749.9468098575.

The spelling of 421785248 in words is "four hundred twenty-one million, seven hundred eighty-five thousand, two hundred forty-eight".