1057982 has 4 divisors (see below), whose sum is σ = 1586976. Its totient is φ = 528990.

The previous prime is 1057981. The next prime is 1057993. The reversal of 1057982 is 2897501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1057982² = 2238651824648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264494 + ... + 264497.

It is an arithmetic number, because the mean of its divisors is an integer number (396744).

2^1057982 is an apocalyptic number.

1057982 is a deficient number, since it is larger than the sum of its proper divisors (528994).

1057982 is an equidigital number, since it uses as much as digits as its factorization.

1057982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528993.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1057982 is about 1028.5825197815. The cubic root of 1057982 is about 101.8965374064.

The spelling of 1057982 in words is "one million, fifty-seven thousand, nine hundred eighty-two".