421769800 has 48 divisors (see below), whose sum is σ = 1003440240. Its totient is φ = 164781120.

The previous prime is 421769797. The next prime is 421769807. The reversal of 421769800 is 8967124.

It is a self number, because there is not a number n which added to its sum of digits gives 421769800.

It is not an unprimeable number, because it can be changed into a prime (421769807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15922 + ... + 33121.

It is an arithmetic number, because the mean of its divisors is an integer number (20905005).

Almost surely, 2^421769800 is an apocalyptic number.

421769800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421769800 is an abundant number, since it is smaller than the sum of its proper divisors (581670440).

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

421769800 is a wasteful number, since it uses less digits than its factorization.

421769800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49102 (or 49093 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 421769800 is about 20537.0348395283. The cubic root of 421769800 is about 749.9376540767.

The spelling of 421769800 in words is "four hundred twenty-one million, seven hundred sixty-nine thousand, eight hundred".