1057648 has 10 divisors (see below), whose sum is σ = 2049224. Its totient is φ = 528816.

The previous prime is 1057643. The next prime is 1057657. The reversal of 1057648 is 8467501.

It is a super-2 number, since 2×1057648² = 2237238583808, which contains 22 as substring.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057643) 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 as a sum of consecutive naturals, namely, 33036 + ... + 33067.

2^1057648 is an apocalyptic number.

It is an amenable number.

1057648 is a deficient number, since it is larger than the sum of its proper divisors (991576).

1057648 is an equidigital number, since it uses as much as digits as its factorization.

1057648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66111 (or 66105 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1057648 is about 1028.4201476051. The cubic root of 1057648 is about 101.8858135234.

The spelling of 1057648 in words is "one million, fifty-seven thousand, six hundred forty-eight".