1992703 has 4 divisors (see below), whose sum is σ = 2003328. Its totient is φ = 1982080.

The previous prime is 1992691. The next prime is 1992713. The reversal of 1992703 is 3072991.

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

It is a cyclic number.

It is not a de Polignac number, because 1992703 - 2¹³ = 1984511 is a prime.

It is a Duffinian number.

1992703 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5026 + ... + 5407.

It is an arithmetic number, because the mean of its divisors is an integer number (500832).

2^1992703 is an apocalyptic number.

1992703 is a deficient number, since it is larger than the sum of its proper divisors (10625).

1992703 is a wasteful number, since it uses less digits than its factorization.

1992703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1992703 is about 1411.6313258071. The cubic root of 1992703 is about 125.8386908624.

The spelling of 1992703 in words is "one million, nine hundred ninety-two thousand, seven hundred three".