1001729946 has 32 divisors (see below), whose sum is σ = 2292346368. Its totient is φ = 285873840.

The previous prime is 1001729929. The next prime is 1001729957. The reversal of 1001729946 is 6499271001.

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 15 ways as a sum of consecutive naturals, for example, 23581 + ... + 50591.

It is an arithmetic number, because the mean of its divisors is an integer number (71635824).

Almost surely, 2^1001729946 is an apocalyptic number.

1001729946 is an abundant number, since it is smaller than the sum of its proper divisors (1290616422).

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

1001729946 is a wasteful number, since it uses less digits than its factorization.

1001729946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27906.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 1001729946 is about 31650.1176301132. The cubic root of 1001729946 is about 1000.5763164622.

The spelling of 1001729946 in words is "one billion, one million, seven hundred twenty-nine thousand, nine hundred forty-six".