1006658747 has 4 divisors (see below), whose sum is σ = 1007077656. Its totient is φ = 1006239840.

The previous prime is 1006658683. The next prime is 1006658827. The reversal of 1006658747 is 7478566001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1006658747 - 2⁶ = 1006658683 is a prime.

It is a super-2 number, since 2×1006658747² = 2026723665823220018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1006658698 and 1006658707.

It is not an unprimeable number, because it can be changed into a prime (1006658047) 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 3 ways as a sum of consecutive naturals, for example, 205829 + ... + 210662.

It is an arithmetic number, because the mean of its divisors is an integer number (251769414).

Almost surely, 2^1006658747 is an apocalyptic number.

1006658747 is a deficient number, since it is larger than the sum of its proper divisors (418909).

1006658747 is an equidigital number, since it uses as much as digits as its factorization.

1006658747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418908.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 1006658747 is about 31727.8859522660. The cubic root of 1006658747 is about 1002.2146739319.

The spelling of 1006658747 in words is "one billion, six million, six hundred fifty-eight thousand, seven hundred forty-seven".