1039669946 has 12 divisors (see below), whose sum is σ = 1814118138. Its totient is φ = 445572792.

The previous prime is 1039669937. The next prime is 1039669957. The reversal of 1039669946 is 6499669301.

It can be written as a sum of positive squares in only one way, i.e., 605406025 + 434263921 = 24605^2 + 20839^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5304341 + ... + 5304536.

Almost surely, 2^1039669946 is an apocalyptic number.

1039669946 is a deficient number, since it is larger than the sum of its proper divisors (774448192).

1039669946 is a wasteful number, since it uses less digits than its factorization.

1039669946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608893 (or 10608886 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 1039669946 is about 32243.9133170898. The cubic root of 1039669946 is about 1013.0522138539.

The spelling of 1039669946 in words is "one billion, thirty-nine million, six hundred sixty-nine thousand, nine hundred forty-six".