421196500 has 24 divisors (see below), whose sum is σ = 919894248. Its totient is φ = 168478400.

The previous prime is 421196491. The next prime is 421196513. The reversal of 421196500 is 5691124.

It can be written as a sum of positive squares in 4 ways, for example, as 1192464 + 420004036 = 1092^2 + 20494^2 .

It is a super-2 number, since 2×421196500² = 354812983224500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420697 + ... + 421696.

It is an arithmetic number, because the mean of its divisors is an integer number (38328927).

Almost surely, 2^421196500 is an apocalyptic number.

It is an amenable number.

421196500 is an abundant number, since it is smaller than the sum of its proper divisors (498697748).

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

421196500 is a wasteful number, since it uses less digits than its factorization.

421196500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842412 (or 842400 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 421196500 is about 20523.0723820777. The cubic root of 421196500 is about 749.5977101817.

The spelling of 421196500 in words is "four hundred twenty-one million, one hundred ninety-six thousand, five hundred".