1934491472 has 40 divisors (see below), whose sum is σ = 3978484200. Its totient is φ = 908070912.

The previous prime is 1934491463. The next prime is 1934491477. The reversal of 1934491472 is 2741944391.

It can be written as a sum of positive squares in 4 ways, for example, as 1097199376 + 837292096 = 33124^2 + 28936^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1934491477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102554 + ... + 119942.

It is an arithmetic number, because the mean of its divisors is an integer number (99462105).

Almost surely, 2^1934491472 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 1934491472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1989242100).

1934491472 is an abundant number, since it is smaller than the sum of its proper divisors (2043992728).

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

1934491472 is a wasteful number, since it uses less digits than its factorization.

1934491472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17823 (or 17817 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 1934491472 is about 43982.8542957367. The cubic root of 1934491472 is about 1246.0121384577.

The spelling of 1934491472 in words is "one billion, nine hundred thirty-four million, four hundred ninety-one thousand, four hundred seventy-two".