1934342784 has 144 divisors (see below), whose sum is σ = 6118740810. Its totient is φ = 586122240.

The previous prime is 1934342779. The next prime is 1934342791. The reversal of 1934342784 is 4872434391.

1934342784 is a `hidden beast` number, since 193 + 434 + 27 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1897473600 + 36869184 = 43560^2 + 6072^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 132454 + ... + 146330.

Almost surely, 2^1934342784 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 1934342784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3059370405).

1934342784 is an abundant number, since it is smaller than the sum of its proper divisors (4184398026).

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

1934342784 is a wasteful number, since it uses less digits than its factorization.

1934342784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13919 (or 13893 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 1934342784 is about 43981.1639682262. The cubic root of 1934342784 is about 1245.9802141678.

The spelling of 1934342784 in words is "one billion, nine hundred thirty-four million, three hundred forty-two thousand, seven hundred eighty-four".