1930704192 has 84 divisors (see below), whose sum is σ = 5552213940. Its totient is φ = 641452032.

The previous prime is 1930704173. The next prime is 1930704197. The reversal of 1930704192 is 2914070391.

It can be written as a sum of positive squares in 2 ways, for example, as 855913536 + 1074790656 = 29256^2 + 32784^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930704197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174934 + ... + 185642.

It is an arithmetic number, because the mean of its divisors is an integer number (66097785).

Almost surely, 2^1930704192 is an apocalyptic number.

1930704192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1930704192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2776106970).

1930704192 is an abundant number, since it is smaller than the sum of its proper divisors (3621509748).

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

1930704192 is a wasteful number, since it uses less digits than its factorization.

1930704192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11040 (or 11027 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 1930704192 is about 43939.7791528360. The cubic root of 1930704192 is about 1245.1984741887.

The spelling of 1930704192 in words is "one billion, nine hundred thirty million, seven hundred four thousand, one hundred ninety-two".