1057784396 has 48 divisors (see below), whose sum is σ = 1945944000. Its totient is φ = 502467840.

The previous prime is 1057784393. The next prime is 1057784401. The reversal of 1057784396 is 6934877501.

It is a super-2 number, since 2×1057784396² = 2237815656842169632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057784393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3401081 + ... + 3401391.

It is an arithmetic number, because the mean of its divisors is an integer number (40540500).

Almost surely, 2^1057784396 is an apocalyptic number.

It is an amenable number.

1057784396 is a deficient number, since it is larger than the sum of its proper divisors (888159604).

1057784396 is a wasteful number, since it uses less digits than its factorization.

1057784396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 1057784396 is about 32523.5975254891. The cubic root of 1057784396 is about 1018.9019312167.

The spelling of 1057784396 in words is "one billion, fifty-seven million, seven hundred eighty-four thousand, three hundred ninety-six".