1057838 has 8 divisors (see below), whose sum is σ = 1591920. Its totient is φ = 527200.

The previous prime is 1057831. The next prime is 1057853. The reversal of 1057838 is 8387501.

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

It is a super-2 number, since 2×1057838² = 2238042468488, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (198990).

2^1057838 is an apocalyptic number.

1057838 is a deficient number, since it is larger than the sum of its proper divisors (534082).

1057838 is a wasteful number, since it uses less digits than its factorization.

1057838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1057838 is about 1028.5125181543. The cubic root of 1057838 is about 101.8919142127.

The spelling of 1057838 in words is "one million, fifty-seven thousand, eight hundred thirty-eight".