80404306 has 4 divisors (see below), whose sum is σ = 120606462. Its totient is φ = 40202152.

The previous prime is 80404301. The next prime is 80404307. The reversal of 80404306 is 60340408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80263681 + 140625 = 8959^2 + 375^2 .

It is not an unprimeable number, because it can be changed into a prime (80404301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20101075 + ... + 20101078.

Almost surely, 2^80404306 is an apocalyptic number.

80404306 is a deficient number, since it is larger than the sum of its proper divisors (40202156).

80404306 is a wasteful number, since it uses less digits than its factorization.

80404306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40202155.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 80404306 is about 8966.8448185524. The cubic root of 80404306 is about 431.6115943383.

The spelling of 80404306 in words is "eighty million, four hundred four thousand, three hundred six".