1005939929 has 6 divisors (see below), whose sum is σ = 1068593934. Its totient is φ = 946766720.

The previous prime is 1005939923. The next prime is 1005939931. The reversal of 1005939929 is 9299395001.

It can be written as a sum of positive squares in 3 ways, for example, as 460016704 + 545923225 = 21448^2 + 23365^2 .

It is not a de Polignac number, because 1005939929 - 2²⁰ = 1004891353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005939923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1740092 + ... + 1740669.

It is an arithmetic number, because the mean of its divisors is an integer number (178098989).

Almost surely, 2^1005939929 is an apocalyptic number.

It is an amenable number.

1005939929 is a deficient number, since it is larger than the sum of its proper divisors (62654005).

1005939929 is an equidigital number, since it uses as much as digits as its factorization.

1005939929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480795 (or 3480778 counting only the distinct ones).

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 1005939929 is about 31716.5560709230. The cubic root of 1005939929 is about 1001.9760689129.

The spelling of 1005939929 in words is "one billion, five million, nine hundred thirty-nine thousand, nine hundred twenty-nine".