1992085588 has 12 divisors (see below), whose sum is σ = 3517001460. Its totient is φ = 987228032.

The previous prime is 1992085577. The next prime is 1992085631. The reversal of 1992085588 is 8855802991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20903184 + 1971182404 = 4572^2 + 44398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203183 + ... + 2204086.

It is an arithmetic number, because the mean of its divisors is an integer number (293083455).

Almost surely, 2^1992085588 is an apocalyptic number.

It is an amenable number.

1992085588 is a deficient number, since it is larger than the sum of its proper divisors (1524915872).

1992085588 is a wasteful number, since it uses less digits than its factorization.

1992085588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407386 (or 4407384 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 55.

The square root of 1992085588 is about 44632.7860210406. The cubic root of 1992085588 is about 1258.2569304936.

The spelling of 1992085588 in words is "one billion, nine hundred ninety-two million, eighty-five thousand, five hundred eighty-eight".