434721252 has 96 divisors (see below), whose sum is σ = 1251532800. Its totient is φ = 114694272.

The previous prime is 434721247. The next prime is 434721323. The reversal of 434721252 is 252127434.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52149 + ... + 59907.

It is an arithmetic number, because the mean of its divisors is an integer number (13036800).

Almost surely, 2^434721252 is an apocalyptic number.

434721252 is a gapful number since it is divisible by the number (42) 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 434721252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625766400).

434721252 is an abundant number, since it is smaller than the sum of its proper divisors (816811548).

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

434721252 is a wasteful number, since it uses less digits than its factorization.

434721252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825 (or 7823 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 434721252 is about 20849.9700719210. The cubic root of 434721252 is about 757.5366061888.

Adding to 434721252 its reverse (252127434), we get a palindrome (686848686).

The spelling of 434721252 in words is "four hundred thirty-four million, seven hundred twenty-one thousand, two hundred fifty-two".