421005914 has 16 divisors (see below), whose sum is σ = 759710400. Its totient is φ = 170934624.

The previous prime is 421005913. The next prime is 421005919. The reversal of 421005914 is 419500124.

It is not an unprimeable number, because it can be changed into a prime (421005913) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 791099 + ... + 791630.

It is an arithmetic number, because the mean of its divisors is an integer number (47481900).

Almost surely, 2^421005914 is an apocalyptic number.

421005914 is a deficient number, since it is larger than the sum of its proper divisors (338704486).

421005914 is a wasteful number, since it uses less digits than its factorization.

421005914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582757.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 421005914 is about 20518.4286435390. The cubic root of 421005914 is about 749.4846320163.

The spelling of 421005914 in words is "four hundred twenty-one million, five thousand, nine hundred fourteen".