1928242 has 8 divisors (see below), whose sum is σ = 3062556. Its totient is φ = 907392.

The previous prime is 1928237. The next prime is 1928257. The reversal of 1928242 is 2428291.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 103041 = 1351^2 + 321^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1928242.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28323 + ... + 28390.

2^1928242 is an apocalyptic number.

1928242 is a deficient number, since it is larger than the sum of its proper divisors (1134314).

1928242 is a wasteful number, since it uses less digits than its factorization.

1928242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56732.

The product of its digits is 2304, while the sum is 28.

The square root of 1928242 is about 1388.6115367517. The cubic root of 1928242 is about 124.4668922681.

The spelling of 1928242 in words is "one million, nine hundred twenty-eight thousand, two hundred forty-two".