421411400 has 96 divisors (see below), whose sum is σ = 1011363840. Its totient is φ = 163215360.

The previous prime is 421411387. The next prime is 421411439. The reversal of 421411400 is 4114124.

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 23 ways as a sum of consecutive naturals, for example, 1193624 + ... + 1193976.

It is an arithmetic number, because the mean of its divisors is an integer number (10535040).

Almost surely, 2^421411400 is an apocalyptic number.

421411400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421411400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505681920).

421411400 is an abundant number, since it is smaller than the sum of its proper divisors (589952440).

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

421411400 is a wasteful number, since it uses less digits than its factorization.

421411400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 421411400 is about 20528.3072853073. The cubic root of 421411400 is about 749.7251733801.

Adding to 421411400 its reverse (4114124), we get a palindrome (425525524).

The spelling of 421411400 in words is "four hundred twenty-one million, four hundred eleven thousand, four hundred".