1057898 has 8 divisors (see below), whose sum is σ = 1591392. Its totient is φ = 527436.

The previous prime is 1057897. The next prime is 1057907. The reversal of 1057898 is 8987501.

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

It is a super-2 number, since 2×1057898² = 2238296356808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057897) 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, 611 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (198924).

2^1057898 is an apocalyptic number.

1057898 is a deficient number, since it is larger than the sum of its proper divisors (533494).

1057898 is an equidigital number, since it uses as much as digits as its factorization.

1057898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1057898 is about 1028.5416860779. The cubic root of 1057898 is about 101.8938405944.

The spelling of 1057898 in words is "one million, fifty-seven thousand, eight hundred ninety-eight".