80369436 has 48 divisors (see below), whose sum is σ = 218889216. Its totient is φ = 22473024.

The previous prime is 80369431. The next prime is 80369441. The reversal of 80369436 is 63496308.

It is an interprime number because it is at equal distance from previous prime (80369431) and next prime (80369441).

It is a junction number, because it is equal to n+sod(n) for n = 80369394 and 80369403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80369431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6231 + ... + 14126.

It is an arithmetic number, because the mean of its divisors is an integer number (4560192).

Almost surely, 2^80369436 is an apocalyptic number.

It is an amenable number.

80369436 is an abundant number, since it is smaller than the sum of its proper divisors (138519780).

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

80369436 is a wasteful number, since it uses less digits than its factorization.

80369436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20418 (or 20416 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 80369436 is about 8964.9002225345. The cubic root of 80369436 is about 431.5491910780.

The spelling of 80369436 in words is "eighty million, three hundred sixty-nine thousand, four hundred thirty-six".