1097764 has 6 divisors (see below), whose sum is σ = 1921094. Its totient is φ = 548880.

The previous prime is 1097743. The next prime is 1097783. The reversal of 1097764 is 4677901.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 36864 = 1030^2 + 192^2 .

It is a d-powerful number, because it can be written as 1 + 0 + 9² + 7² + 7⁴ + 6⁶ + 4¹⁰ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137217 + ... + 137224.

2^1097764 is an apocalyptic number.

It is an amenable number.

1097764 is a deficient number, since it is larger than the sum of its proper divisors (823330).

1097764 is a wasteful number, since it uses less digits than its factorization.

1097764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274445 (or 274443 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1097764 is about 1047.7423347369. The cubic root of 1097764 is about 103.1580193010.

The spelling of 1097764 in words is "one million, ninety-seven thousand, seven hundred sixty-four".