80000406 has 16 divisors (see below), whose sum is σ = 177778800. Its totient is φ = 26666784.

The previous prime is 80000387. The next prime is 80000407. The reversal of 80000406 is 60400008.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80000407) 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 7 ways as a sum of consecutive naturals, for example, 740691 + ... + 740798.

It is an arithmetic number, because the mean of its divisors is an integer number (11111175).

Almost surely, 2^80000406 is an apocalyptic number.

80000406 is an abundant number, since it is smaller than the sum of its proper divisors (97778394).

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

80000406 is a wasteful number, since it uses less digits than its factorization.

80000406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481500 (or 1481494 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 80000406 is about 8944.2946060603. The cubic root of 80000406 is about 430.8876669222.

The spelling of 80000406 in words is "eighty million, four hundred six", and thus it is an aban number.