1057764 has 24 divisors (see below), whose sum is σ = 2486848. Its totient is φ = 349920.

The previous prime is 1057753. The next prime is 1057781. The reversal of 1057764 is 4677501.

It is a happy number.

It is a super-2 number, since 2×1057764² = 2237729359392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929 + ... + 2415.

2^1057764 is an apocalyptic number.

It is an amenable number.

1057764 is an abundant number, since it is smaller than the sum of its proper divisors (1429084).

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

1057764 is a wasteful number, since it uses less digits than its factorization.

1057764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1057764 is about 1028.4765432425. The cubic root of 1057764 is about 101.8895382416.

The spelling of 1057764 in words is "one million, fifty-seven thousand, seven hundred sixty-four".