421161208 has 32 divisors (see below), whose sum is σ = 862414560. Its totient is φ = 191640960.

The previous prime is 421161203. The next prime is 421161233. The reversal of 421161208 is 802161124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421161203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21135 + ... + 35902.

It is an arithmetic number, because the mean of its divisors is an integer number (26950455).

Almost surely, 2^421161208 is an apocalyptic number.

It is an amenable number.

421161208 is an abundant number, since it is smaller than the sum of its proper divisors (441253352).

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

421161208 is a wasteful number, since it uses less digits than its factorization.

421161208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57127 (or 57123 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 421161208 is about 20522.2125512821. The cubic root of 421161208 is about 749.5767733654.

The spelling of 421161208 in words is "four hundred twenty-one million, one hundred sixty-one thousand, two hundred eight".