1992773 has 4 divisors (see below), whose sum is σ = 2057088. Its totient is φ = 1928460.

The previous prime is 1992769. The next prime is 1992779. The reversal of 1992773 is 3772991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3772991 = 59 ⋅63949.

It is a cyclic number.

It is not a de Polignac number, because 1992773 - 2² = 1992769 is a prime.

It is a super-2 number, since 2×1992773² = 7942288459058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992779) 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, 32111 + ... + 32172.

It is an arithmetic number, because the mean of its divisors is an integer number (514272).

2^1992773 is an apocalyptic number.

It is an amenable number.

1992773 is a deficient number, since it is larger than the sum of its proper divisors (64315).

1992773 is an equidigital number, since it uses as much as digits as its factorization.

1992773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64314.

The product of its digits is 23814, while the sum is 38.

The square root of 1992773 is about 1411.6561195985. The cubic root of 1992773 is about 125.8401643393.

The spelling of 1992773 in words is "one million, nine hundred ninety-two thousand, seven hundred seventy-three".