1146664 has 8 divisors (see below), whose sum is σ = 2150010. Its totient is φ = 573328.

The previous prime is 1146661. The next prime is 1146671. The reversal of 1146664 is 4666411.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 1764 = 1070^2 + 42^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1146664³ = 4523033332695608832, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1146661) 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, 71659 + ... + 71674.

2^1146664 is an apocalyptic number.

It is an amenable number.

1146664 is a deficient number, since it is larger than the sum of its proper divisors (1003346).

1146664 is a wasteful number, since it uses less digits than its factorization.

1146664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143339 (or 143335 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 1146664 is about 1070.8239818009. The cubic root of 1146664 is about 104.6675501749.

The spelling of 1146664 in words is "one million, one hundred forty-six thousand, six hundred sixty-four".