421761230 has 24 divisors (see below), whose sum is σ = 834462216. Its totient is φ = 153367280.

The previous prime is 421761217. The next prime is 421761247. The reversal of 421761230 is 32167124.

It is a super-2 number, since 2×421761230² = 355765070262225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421761230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173072 + ... + 175491.

It is an arithmetic number, because the mean of its divisors is an integer number (34769259).

Almost surely, 2^421761230 is an apocalyptic number.

421761230 is a deficient number, since it is larger than the sum of its proper divisors (412700986).

421761230 is a wasteful number, since it uses less digits than its factorization.

421761230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348592 (or 348581 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 421761230 is about 20536.8261910160. The cubic root of 421761230 is about 749.9325746794.

The spelling of 421761230 in words is "four hundred twenty-one million, seven hundred sixty-one thousand, two hundred thirty".