424321000 has 64 divisors (see below), whose sum is σ = 998112960. Its totient is φ = 168840000.

The previous prime is 424320973. The next prime is 424321031. The reversal of 424321000 is 123424.

It is a super-2 number, since 2×424321000² = 360096622082000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209995 + ... + 212005.

It is an arithmetic number, because the mean of its divisors is an integer number (15595515).

Almost surely, 2^424321000 is an apocalyptic number.

424321000 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 424321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499056480).

424321000 is an abundant number, since it is smaller than the sum of its proper divisors (573791960).

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

424321000 is a wasteful number, since it uses less digits than its factorization.

424321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 424321000 is about 20599.0533763083. The cubic root of 424321000 is about 751.4466891413.

Adding to 424321000 its reverse (123424), we get a palindrome (424444424).

The spelling of 424321000 in words is "four hundred twenty-four million, three hundred twenty-one thousand".