421311066 has 32 divisors (see below), whose sum is σ = 923203008. Its totient is φ = 127117440.

The previous prime is 421311041. The next prime is 421311083. The reversal of 421311066 is 660113124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680 + ... + 29076.

It is an arithmetic number, because the mean of its divisors is an integer number (28850094).

Almost surely, 2^421311066 is an apocalyptic number.

421311066 is an abundant number, since it is smaller than the sum of its proper divisors (501891942).

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

421311066 is a wasteful number, since it uses less digits than its factorization.

421311066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27646.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 421311066 is about 20525.8633435965. The cubic root of 421311066 is about 749.6656678737.

The spelling of 421311066 in words is "four hundred twenty-one million, three hundred eleven thousand, sixty-six".