1805299396 has 6 divisors (see below), whose sum is σ = 3159273950. Its totient is φ = 902649696.

The previous prime is 1805299361. The next prime is 1805299403. The reversal of 1805299396 is 6939925081.

It can be written as a sum of positive squares in only one way, i.e., 1329623296 + 475676100 = 36464^2 + 21810^2 .

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, 225662421 + ... + 225662428.

Almost surely, 2^1805299396 is an apocalyptic number.

It is an amenable number.

1805299396 is a deficient number, since it is larger than the sum of its proper divisors (1353974554).

1805299396 is a wasteful number, since it uses less digits than its factorization.

1805299396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451324853 (or 451324851 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 52.

The square root of 1805299396 is about 42488.8149517023. The cubic root of 1805299396 is about 1217.6330071539.

The spelling of 1805299396 in words is "one billion, eight hundred five million, two hundred ninety-nine thousand, three hundred ninety-six".