421962108 has 48 divisors (see below), whose sum is σ = 1045968000. Its totient is φ = 132020928.

The previous prime is 421962091. The next prime is 421962109. The reversal of 421962108 is 801269124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421962109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16363 + ... + 33341.

It is an arithmetic number, because the mean of its divisors is an integer number (21791000).

Almost surely, 2^421962108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421962108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522984000).

421962108 is an abundant number, since it is smaller than the sum of its proper divisors (624005892).

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

421962108 is a wasteful number, since it uses less digits than its factorization.

421962108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17114 (or 17112 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 421962108 is about 20541.7162866203. The cubic root of 421962108 is about 750.0516160032.

The spelling of 421962108 in words is "four hundred twenty-one million, nine hundred sixty-two thousand, one hundred eight".