1057694304 has 48 divisors (see below), whose sum is σ = 2939772528. Its totient is φ = 331825152.

The previous prime is 1057694303. The next prime is 1057694329. The reversal of 1057694304 is 4034967501.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1057694304² = 2237434481428088832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057694303) 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 7 ways as a sum of consecutive naturals, for example, 322417 + ... + 325680.

It is an arithmetic number, because the mean of its divisors is an integer number (61245261).

Almost surely, 2^1057694304 is an apocalyptic number.

It is an amenable number.

1057694304 is an abundant number, since it is smaller than the sum of its proper divisors (1882078224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057694304 is a wasteful number, since it uses less digits than its factorization.

1057694304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648127 (or 648119 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1057694304 is about 32522.2124708637. The cubic root of 1057694304 is about 1018.8730036081.

The spelling of 1057694304 in words is "one billion, fifty-seven million, six hundred ninety-four thousand, three hundred four".