1992065 has 8 divisors (see below), whose sum is σ = 2401920. Its totient is φ = 1586032.

The previous prime is 1992049. The next prime is 1992073. The reversal of 1992065 is 5602991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1992065 - 2⁴ = 1992049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (300240).

2^1992065 is an apocalyptic number.

It is an amenable number.

1992065 is a deficient number, since it is larger than the sum of its proper divisors (409855).

1992065 is a wasteful number, since it uses less digits than its factorization.

1992065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1992065 is about 1411.4053280330. The cubic root of 1992065 is about 125.8252595827.

The spelling of 1992065 in words is "one million, nine hundred ninety-two thousand, sixty-five".