834545432 has 64 divisors (see below), whose sum is σ = 1878405120. Its totient is φ = 339850368.

The previous prime is 834545381. The next prime is 834545443. The reversal of 834545432 is 234545438.

834545432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 200153 + ... + 204279.

It is an arithmetic number, because the mean of its divisors is an integer number (29350080).

Almost surely, 2^834545432 is an apocalyptic number.

It is a pronic number, being equal to 28888×28889.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834545432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (939202560).

834545432 is an abundant number, since it is smaller than the sum of its proper divisors (1043859688).

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

834545432 is a wasteful number, since it uses less digits than its factorization.

834545432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320 (or 4316 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 834545432 is about 28888.4999956730. The cubic root of 834545432 is about 941.4920592573.

The spelling of 834545432 in words is "eight hundred thirty-four million, five hundred forty-five thousand, four hundred thirty-two".