1992856001 has 4 divisors (see below), whose sum is σ = 2046717012. Its totient is φ = 1938994992.

The previous prime is 1992855929. The next prime is 1992856009. The reversal of 1992856001 is 1006582991.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1134072976 + 858783025 = 33676^2 + 29305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992856001 - 2³⁰ = 919114177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1992856001.

It is not an unprimeable number, because it can be changed into a prime (1992856009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26930450 + ... + 26930523.

It is an arithmetic number, because the mean of its divisors is an integer number (511679253).

Almost surely, 2^1992856001 is an apocalyptic number.

It is an amenable number.

1992856001 is a deficient number, since it is larger than the sum of its proper divisors (53861011).

1992856001 is an equidigital number, since it uses as much as digits as its factorization.

1992856001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53861010.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 1992856001 is about 44641.4157593596. The cubic root of 1992856001 is about 1258.4191143818.

The spelling of 1992856001 in words is "one billion, nine hundred ninety-two million, eight hundred fifty-six thousand, one".