1992895 has 8 divisors (see below), whose sum is σ = 2404080. Its totient is φ = 1585920.

The previous prime is 1992889. The next prime is 1992911. The reversal of 1992895 is 5982991.

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

It is a de Polignac number, because none of the positive numbers 2^k-1992895 is a prime.

It is an Ulam number.

It is a congruent 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, 111 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (300510).

2^1992895 is an apocalyptic number.

1992895 is a deficient number, since it is larger than the sum of its proper divisors (411185).

1992895 is a wasteful number, since it uses less digits than its factorization.

1992895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105.

The product of its digits is 58320, while the sum is 43.

The square root of 1992895 is about 1411.6993305942. The cubic root of 1992895 is about 125.8427323165.

The spelling of 1992895 in words is "one million, nine hundred ninety-two thousand, eight hundred ninety-five".