421602108 has 96 divisors (see below), whose sum is σ = 1084446720. Its totient is φ = 126904320.

The previous prime is 421602107. The next prime is 421602113. The reversal of 421602108 is 801206124.

It is a super-3 number, since 3×421602108³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421602107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1030608 + ... + 1031016.

It is an arithmetic number, because the mean of its divisors is an integer number (11296320).

Almost surely, 2^421602108 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 421602108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542223360).

421602108 is an abundant number, since it is smaller than the sum of its proper divisors (662844612).

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

421602108 is a wasteful number, since it uses less digits than its factorization.

421602108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 421602108 is about 20532.9517605239. The cubic root of 421602108 is about 749.8382513412.

The spelling of 421602108 in words is "four hundred twenty-one million, six hundred two thousand, one hundred eight".