434899136 has 56 divisors (see below), whose sum is σ = 1010387616. Its totient is φ = 181831680.

The previous prime is 434899099. The next prime is 434899163. The reversal of 434899136 is 631998434.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6530 + ... + 30206.

It is an arithmetic number, because the mean of its divisors is an integer number (18042636).

Almost surely, 2^434899136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434899136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505193808).

434899136 is an abundant number, since it is smaller than the sum of its proper divisors (575488480).

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

434899136 is a wasteful number, since it uses less digits than its factorization.

434899136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23737 (or 23727 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 434899136 is about 20854.2354451080. The cubic root of 434899136 is about 757.6399178053.

It can be divided in two parts, 43489 and 9136, that added together give a palindrome (52625).

The spelling of 434899136 in words is "four hundred thirty-four million, eight hundred ninety-nine thousand, one hundred thirty-six".