1006653 has 8 divisors (see below), whose sum is σ = 1347808. Its totient is φ = 668304.

The previous prime is 1006651. The next prime is 1006711. The reversal of 1006653 is 3566001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1006653 - 2¹ = 1006651 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375 + ... + 1467.

It is an arithmetic number, because the mean of its divisors is an integer number (168476).

2^1006653 is an apocalyptic number.

It is an amenable number.

1006653 is a deficient number, since it is larger than the sum of its proper divisors (341155).

1006653 is a wasteful number, since it uses less digits than its factorization.

1006653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1006653 is about 1003.3209855276. The cubic root of 1006653 is about 100.2212766719.

The spelling of 1006653 in words is "one million, six thousand, six hundred fifty-three".