803090000 has 50 divisors (see below), whose sum is σ = 1944385410. Its totient is φ = 321232000.

The previous prime is 803089997. The next prime is 803090021. The reversal of 803090000 is 90308.

It can be written as a sum of positive squares in 5 ways, for example, as 170668096 + 632421904 = 13064^2 + 25148^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent 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 in 9 ways as a sum of consecutive naturals, for example, 30155 + ... + 50154.

Almost surely, 2^803090000 is an apocalyptic number.

803090000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

803090000 is an abundant number, since it is smaller than the sum of its proper divisors (1141295410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

803090000 is an equidigital number, since it uses as much as digits as its factorization.

803090000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80337 (or 80316 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 803090000 is about 28338.8426016307. The cubic root of 803090000 is about 929.5114403091.

The spelling of 803090000 in words is "eight hundred three million, ninety thousand".