1057436 has 6 divisors (see below), whose sum is σ = 1850520. Its totient is φ = 528716.

The previous prime is 1057421. The next prime is 1057477. The reversal of 1057436 is 6347501.

It is a super-2 number, since 2×1057436² = 2236341788192, 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132176 + ... + 132183.

It is an arithmetic number, because the mean of its divisors is an integer number (308420).

2^1057436 is an apocalyptic number.

It is an amenable number.

1057436 is a deficient number, since it is larger than the sum of its proper divisors (793084).

1057436 is a wasteful number, since it uses less digits than its factorization.

1057436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264363 (or 264361 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1057436 is about 1028.3170717245. The cubic root of 1057436 is about 101.8790055760.

The spelling of 1057436 in words is "one million, fifty-seven thousand, four hundred thirty-six".