1057790 has 16 divisors (see below), whose sum is σ = 1920240. Its totient is φ = 419520.

The previous prime is 1057781. The next prime is 1057807. The reversal of 1057790 is 977501.

It is a super-2 number, since 2×1057790² = 2237839368200, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1010 + ... + 1770.

It is an arithmetic number, because the mean of its divisors is an integer number (120015).

2^1057790 is an apocalyptic number.

1057790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057790 is a deficient number, since it is larger than the sum of its proper divisors (862450).

1057790 is a wasteful number, since it uses less digits than its factorization.

1057790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 1057790 is about 1028.4891832197. The cubic root of 1057790 is about 101.8903730549.

The spelling of 1057790 in words is "one million, fifty-seven thousand, seven hundred ninety".