1045764 has 48 divisors (see below), whose sum is σ = 2835840. Its totient is φ = 332640.

The previous prime is 1045763. The next prime is 1045799. The reversal of 1045764 is 4675401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1045763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (59080).

2^1045764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417920).

1045764 is an abundant number, since it is smaller than the sum of its proper divisors (1790076).

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

1045764 is a wasteful number, since it uses less digits than its factorization.

1045764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1045764 is about 1022.6260313526. The cubic root of 1045764 is about 101.5027703548.

The spelling of 1045764 in words is "one million, forty-five thousand, seven hundred sixty-four".