1920763 has 8 divisors (see below), whose sum is σ = 2098656. Its totient is φ = 1747200.

The previous prime is 1920761. The next prime is 1920769. The reversal of 1920763 is 3670291.

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

It is not a de Polignac number, because 1920763 - 2¹ = 1920761 is a prime.

It is a super-4 number, since 4×1920763⁴ (a number of 26 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1920761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118 + ... + 1963.

It is an arithmetic number, because the mean of its divisors is an integer number (262332).

2^1920763 is an apocalyptic number.

1920763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1920763 is a deficient number, since it is larger than the sum of its proper divisors (177893).

1920763 is a wasteful number, since it uses less digits than its factorization.

1920763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1920763 is about 1385.9159426170. The cubic root of 1920763 is about 124.3057620744.

The spelling of 1920763 in words is "one million, nine hundred twenty thousand, seven hundred sixty-three".