421305348 has 12 divisors (see below), whose sum is σ = 983045840. Its totient is φ = 140435112.

The previous prime is 421305337. The next prime is 421305377. The reversal of 421305348 is 843503124.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×421305348² = 354996392506802208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17554378 + ... + 17554401.

Almost surely, 2^421305348 is an apocalyptic number.

It is an amenable number.

421305348 is an abundant number, since it is smaller than the sum of its proper divisors (561740492).

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

421305348 is a wasteful number, since it uses less digits than its factorization.

421305348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35108786 (or 35108784 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 421305348 is about 20525.7240554383. The cubic root of 421305348 is about 749.6622763910.

The spelling of 421305348 in words is "four hundred twenty-one million, three hundred five thousand, three hundred forty-eight".