80406433 has 4 divisors (see below), whose sum is σ = 80899888. Its totient is φ = 79912980.

The previous prime is 80406409. The next prime is 80406449. The reversal of 80406433 is 33460408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80406433 - 2⁵ = 80406401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80406133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246483 + ... + 246808.

It is an arithmetic number, because the mean of its divisors is an integer number (20224972).

Almost surely, 2^80406433 is an apocalyptic number.

It is an amenable number.

80406433 is a deficient number, since it is larger than the sum of its proper divisors (493455).

80406433 is a wasteful number, since it uses less digits than its factorization.

80406433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493454.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 80406433 is about 8966.9634213595. The cubic root of 80406433 is about 431.6154002280.

The spelling of 80406433 in words is "eighty million, four hundred six thousand, four hundred thirty-three".