1796326985 has 8 divisors (see below), whose sum is σ = 2161701000. Its totient is φ = 1432989184.

The previous prime is 1796326951. The next prime is 1796326991. The reversal of 1796326985 is 5896236971.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 339149056 + 1457177929 = 18416^2 + 38173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1796326985 - 2¹² = 1796322889 is a prime.

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 1796326985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507110 + ... + 510639.

It is an arithmetic number, because the mean of its divisors is an integer number (270212625).

Almost surely, 2^1796326985 is an apocalyptic number.

It is an amenable number.

1796326985 is a deficient number, since it is larger than the sum of its proper divisors (365374015).

1796326985 is a wasteful number, since it uses less digits than its factorization.

1796326985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018107.

The product of its digits is 4898880, while the sum is 56.

The square root of 1796326985 is about 42383.0978693158. The cubic root of 1796326985 is about 1215.6124275656.

The spelling of 1796326985 in words is "one billion, seven hundred ninety-six million, three hundred twenty-six thousand, nine hundred eighty-five".