1036609906 has 4 divisors (see below), whose sum is σ = 1554914862. Its totient is φ = 518304952.

The previous prime is 1036609897. The next prime is 1036609913. The reversal of 1036609906 is 6099066301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6099066301 = 16831 ⋅362371.

It can be written as a sum of positive squares in only one way, i.e., 932386225 + 104223681 = 30535^2 + 10209^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259152475 + ... + 259152478.

Almost surely, 2^1036609906 is an apocalyptic number.

1036609906 is a deficient number, since it is larger than the sum of its proper divisors (518304956).

1036609906 is an equidigital number, since it uses as much as digits as its factorization.

1036609906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518304955.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 1036609906 is about 32196.4269135567. The cubic root of 1036609906 is about 1012.0573382970.

The spelling of 1036609906 in words is "one billion, thirty-six million, six hundred nine thousand, nine hundred six".