1006172946 has 36 divisors (see below), whose sum is σ = 2205123882. Its totient is φ = 331575552.

The previous prime is 1006172929. The next prime is 1006172963. The reversal of 1006172946 is 6492716001.

1006172946 is a `hidden beast` number, since 10 + 0 + 617 + 29 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1006172929) and next prime (1006172963).

It can be written as a sum of positive squares in 3 ways, for example, as 891918225 + 114254721 = 29865^2 + 10689^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1006172946.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 139050 + ... + 146106.

Almost surely, 2^1006172946 is an apocalyptic number.

1006172946 is an abundant number, since it is smaller than the sum of its proper divisors (1198950936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1006172946 is an equidigital number, since it uses as much as digits as its factorization.

1006172946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243 (or 7151 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1006172946 is about 31720.2292866871. The cubic root of 1006172946 is about 1002.0534292090.

Adding to 1006172946 its reverse (6492716001), we get a palindrome (7498888947).

The spelling of 1006172946 in words is "one billion, six million, one hundred seventy-two thousand, nine hundred forty-six".