421203036 has 24 divisors (see below), whose sum is σ = 995249920. Its totient is φ = 138623472.

The previous prime is 421203019. The next prime is 421203043. The reversal of 421203036 is 630302124.

It is a happy number.

It is a super-4 number, since 4×421203036⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221206 + ... + 223101.

Almost surely, 2^421203036 is an apocalyptic number.

It is an amenable number.

421203036 is an abundant number, since it is smaller than the sum of its proper divisors (574046884).

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

421203036 is a wasteful number, since it uses less digits than its factorization.

421203036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444393 (or 444391 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 421203036 is about 20523.2316168775. The cubic root of 421203036 is about 749.6015875052.

The spelling of 421203036 in words is "four hundred twenty-one million, two hundred three thousand, thirty-six".