1973826834 has 64 divisors (see below), whose sum is σ = 4778182656. Its totient is φ = 531362304.

The previous prime is 1973826817. The next prime is 1973826917. The reversal of 1973826834 is 4386283791.

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, 49474 + ... + 79970.

It is an arithmetic number, because the mean of its divisors is an integer number (74659104).

Almost surely, 2^1973826834 is an apocalyptic number.

1973826834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1973826834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2389091328).

1973826834 is an abundant number, since it is smaller than the sum of its proper divisors (2804355822).

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

1973826834 is a wasteful number, since it uses less digits than its factorization.

1973826834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30599.

The product of its digits is 1741824, while the sum is 51.

The square root of 1973826834 is about 44427.7709771715. The cubic root of 1973826834 is about 1254.4008788819.

The spelling of 1973826834 in words is "one billion, nine hundred seventy-three million, eight hundred twenty-six thousand, eight hundred thirty-four".