421021314 has 48 divisors (see below), whose sum is σ = 1081149888. Its totient is φ = 120290832.

The previous prime is 421021283. The next prime is 421021319. The reversal of 421021314 is 413120124.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (421021319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58477 + ... + 65280.

It is an arithmetic number, because the mean of its divisors is an integer number (22523956).

Almost surely, 2^421021314 is an apocalyptic number.

421021314 is an abundant number, since it is smaller than the sum of its proper divisors (660128574).

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

421021314 is a wasteful number, since it uses less digits than its factorization.

421021314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123781 (or 123769 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 421021314 is about 20518.8039125091. The cubic root of 421021314 is about 749.4937703856.

Adding to 421021314 its reverse (413120124), we get a palindrome (834141438).

The spelling of 421021314 in words is "four hundred twenty-one million, twenty-one thousand, three hundred fourteen".