421496368 has 20 divisors (see below), whose sum is σ = 864687960. Its totient is φ = 198351104.

The previous prime is 421496311. The next prime is 421496371. The reversal of 421496368 is 863694124.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 774538 + ... + 775081.

It is an arithmetic number, because the mean of its divisors is an integer number (43234398).

Almost surely, 2^421496368 is an apocalyptic number.

It is an amenable number.

421496368 is an abundant number, since it is smaller than the sum of its proper divisors (443191592).

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

421496368 is a wasteful number, since it uses less digits than its factorization.

421496368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549644 (or 1549638 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 421496368 is about 20530.3767135433. The cubic root of 421496368 is about 749.7755583228.

The spelling of 421496368 in words is "four hundred twenty-one million, four hundred ninety-six thousand, three hundred sixty-eight".