421101198 has 36 divisors (see below), whose sum is σ = 1061349120. Its totient is φ = 120314376.

The previous prime is 421101137. The next prime is 421101211. The reversal of 421101198 is 891101124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 237838 + ... + 239601.

It is an arithmetic number, because the mean of its divisors is an integer number (29481920).

Almost surely, 2^421101198 is an apocalyptic number.

421101198 is an abundant number, since it is smaller than the sum of its proper divisors (640247922).

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

421101198 is a wasteful number, since it uses less digits than its factorization.

421101198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477461 (or 477451 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 27.

The square root of 421101198 is about 20520.7504248748. The cubic root of 421101198 is about 749.5411700240.

The spelling of 421101198 in words is "four hundred twenty-one million, one hundred one thousand, one hundred ninety-eight".