803420813 has 16 divisors (see below), whose sum is σ = 881776896. Its totient is φ = 727496640.

The previous prime is 803420803. The next prime is 803420837. The reversal of 803420813 is 318024308.

It is a happy number.

It is not a de Polignac number, because 803420813 - 2⁶ = 803420749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803420803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350156 + ... + 352442.

It is an arithmetic number, because the mean of its divisors is an integer number (55111056).

Almost surely, 2^803420813 is an apocalyptic number.

It is an amenable number.

803420813 is a deficient number, since it is larger than the sum of its proper divisors (78356083).

803420813 is a wasteful number, since it uses less digits than its factorization.

803420813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 803420813 is about 28344.6787422260. The cubic root of 803420813 is about 929.6390525137.

The spelling of 803420813 in words is "eight hundred three million, four hundred twenty thousand, eight hundred thirteen".