80433828 has 36 divisors (see below), whose sum is σ = 203805420. Its totient is φ = 26747136.

The previous prime is 80433827. The next prime is 80433853. The reversal of 80433828 is 82833408.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63393444 + 17040384 = 7962^2 + 4128^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80433792 and 80433801.

It is not an unprimeable number, because it can be changed into a prime (80433823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14008 + ... + 18896.

Almost surely, 2^80433828 is an apocalyptic number.

It is an amenable number.

80433828 is an abundant number, since it is smaller than the sum of its proper divisors (123371592).

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

80433828 is a wasteful number, since it uses less digits than its factorization.

80433828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356 (or 5351 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 80433828 is about 8968.4908429457. The cubic root of 80433828 is about 431.6644127297.

The spelling of 80433828 in words is "eighty million, four hundred thirty-three thousand, eight hundred twenty-eight".