1006426647 has 16 divisors (see below), whose sum is σ = 1496556000. Its totient is φ = 668452032.

The previous prime is 1006426607. The next prime is 1006426657. The reversal of 1006426647 is 7466246001.

1006426647 is a `hidden beast` number, since 1 + 0 + 0 + 6 + 4 + 2 + 6 + 647 = 666.

It is not a de Polignac number, because 1006426647 - 2¹⁴ = 1006410263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006426607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62022 + ... + 76547.

It is an arithmetic number, because the mean of its divisors is an integer number (93534750).

Almost surely, 2^1006426647 is an apocalyptic number.

1006426647 is a deficient number, since it is larger than the sum of its proper divisors (490129353).

1006426647 is a wasteful number, since it uses less digits than its factorization.

1006426647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138847 (or 138841 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1006426647 is about 31724.2280757153. The cubic root of 1006426647 is about 1002.1376428935.

The spelling of 1006426647 in words is "one billion, six million, four hundred twenty-six thousand, six hundred forty-seven".