1170644 has 6 divisors (see below), whose sum is σ = 2048634. Its totient is φ = 585320.

The previous prime is 1170641. The next prime is 1170649. The reversal of 1170644 is 4460711.

It can be written as a sum of positive squares in only one way, i.e., 1020100 + 150544 = 1010^2 + 388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170641) 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 as a sum of consecutive naturals, namely, 146327 + ... + 146334.

It is an arithmetic number, because the mean of its divisors is an integer number (341439).

2^1170644 is an apocalyptic number.

It is an amenable number.

1170644 is a deficient number, since it is larger than the sum of its proper divisors (877990).

1170644 is a wasteful number, since it uses less digits than its factorization.

1170644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292665 (or 292663 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1170644 is about 1081.9630307917. The cubic root of 1170644 is about 105.3921541183.

The spelling of 1170644 in words is "one million, one hundred seventy thousand, six hundred forty-four".