1992193956 has 81 divisors (see below), whose sum is σ = 5185633089. Its totient is φ = 644872032.

The previous prime is 1992193927. The next prime is 1992193969. The reversal of 1992193956 is 6593912991.

The square root of 1992193956 is 44634.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1812204900 + 179989056 = 42570^2 + 13416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11515486 + ... + 11515658.

Almost surely, 2^1992193956 is an apocalyptic number.

1992193956 is the 44634-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992193956

1992193956 is an abundant number, since it is smaller than the sum of its proper divisors (3193439133).

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

1992193956 is a wasteful number, since it uses less digits than its factorization.

1992193956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 221 counting only the distinct ones).

The product of its digits is 1180980, while the sum is 54.

The cubic root of 1992193956 is about 1258.2797461657.

The spelling of 1992193956 in words is "one billion, nine hundred ninety-two million, one hundred ninety-three thousand, nine hundred fifty-six".