1926730992 has 20 divisors (see below), whose sum is σ = 4977388520. Its totient is φ = 642243648.

The previous prime is 1926730991. The next prime is 1926730997. The reversal of 1926730992 is 2990376291.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 40140229 = 1926730992 / (1 + 9 + 2 + 6 + 7 + 3 + 0 + 9 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1926730991) 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 3 ways as a sum of consecutive naturals, for example, 20070067 + ... + 20070162.

It is an arithmetic number, because the mean of its divisors is an integer number (248869426).

Almost surely, 2^1926730992 is an apocalyptic number.

1926730992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1926730992 is an abundant number, since it is smaller than the sum of its proper divisors (3050657528).

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

1926730992 is a wasteful number, since it uses less digits than its factorization.

1926730992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40140240 (or 40140234 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 1926730992 is about 43894.5439889743. The cubic root of 1926730992 is about 1244.3437221154.

The spelling of 1926730992 in words is "one billion, nine hundred twenty-six million, seven hundred thirty thousand, nine hundred ninety-two".