1057396 has 6 divisors (see below), whose sum is σ = 1850450. Its totient is φ = 528696.

The previous prime is 1057393. The next prime is 1057411. The reversal of 1057396 is 6937501.

It can be written as a sum of positive squares in only one way, i.e., 547600 + 509796 = 740^2 + 714^2 .

It is a super-2 number, since 2×1057396² = 2236172601632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057391) 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, 132171 + ... + 132178.

2^1057396 is an apocalyptic number.

It is an amenable number.

1057396 is a deficient number, since it is larger than the sum of its proper divisors (793054).

1057396 is a wasteful number, since it uses less digits than its factorization.

1057396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264353 (or 264351 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1057396 is about 1028.2976222865. The cubic root of 1057396 is about 101.8777209556.

The spelling of 1057396 in words is "one million, fifty-seven thousand, three hundred ninety-six".