834291450 has 144 divisors (see below), whose sum is σ = 2302854840. Its totient is φ = 216483840.

The previous prime is 834291427. The next prime is 834291457. The reversal of 834291450 is 54192438.

834291450 is a `hidden beast` number, since 83 + 42 + 91 + 450 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 42263001 + 792028449 = 6501^2 + 28143^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (834291457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3580534 + ... + 3580766.

Almost surely, 2^834291450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834291450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151427420).

834291450 is an abundant number, since it is smaller than the sum of its proper divisors (1468563390).

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

834291450 is a wasteful number, since it uses less digits than its factorization.

834291450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 834291450 is about 28884.1037596807. The cubic root of 834291450 is about 941.3965396730.

The spelling of 834291450 in words is "eight hundred thirty-four million, two hundred ninety-one thousand, four hundred fifty".