1921083 has 8 divisors (see below), whose sum is σ = 2569488. Its totient is φ = 1276704.

The previous prime is 1921079. The next prime is 1921097. The reversal of 1921083 is 3801291.

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

It is not a de Polignac number, because 1921083 - 2² = 1921079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1921013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (321186).

2^1921083 is an apocalyptic number.

1921083 is a deficient number, since it is larger than the sum of its proper divisors (648405).

1921083 is a wasteful number, since it uses less digits than its factorization.

1921083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1921083 is about 1386.0313849260. The cubic root of 1921083 is about 124.3126648235.

It can be divided in two parts, 192 and 1083, that multiplied together give a square (207936 = 456²).

The spelling of 1921083 in words is "one million, nine hundred twenty-one thousand, eighty-three".