421082908 has 12 divisors (see below), whose sum is σ = 737224992. Its totient is φ = 210447200.

The previous prime is 421082897. The next prime is 421082923. The reversal of 421082908 is 809280124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12985 + ... + 31792.

It is an arithmetic number, because the mean of its divisors is an integer number (61435416).

Almost surely, 2^421082908 is an apocalyptic number.

It is an amenable number.

421082908 is a deficient number, since it is larger than the sum of its proper divisors (316142084).

421082908 is a wasteful number, since it uses less digits than its factorization.

421082908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47132 (or 47130 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 421082908 is about 20520.3047735651. The cubic root of 421082908 is about 749.5303180747.

The spelling of 421082908 in words is "four hundred twenty-one million, eighty-two thousand, nine hundred eight".