421729348 has 24 divisors (see below), whose sum is σ = 752099040. Its totient is φ = 206880960.

The previous prime is 421729333. The next prime is 421729369. The reversal of 421729348 is 843927124.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 421729348.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42115 + ... + 51157.

It is an arithmetic number, because the mean of its divisors is an integer number (31337460).

Almost surely, 2^421729348 is an apocalyptic number.

It is an amenable number.

421729348 is a deficient number, since it is larger than the sum of its proper divisors (330369692).

421729348 is a wasteful number, since it uses less digits than its factorization.

421729348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267 (or 9265 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 421729348 is about 20536.0499609832. The cubic root of 421729348 is about 749.9136777687.

The spelling of 421729348 in words is "four hundred twenty-one million, seven hundred twenty-nine thousand, three hundred forty-eight".