80838438 has 16 divisors (see below), whose sum is σ = 161768880. Its totient is φ = 26930816.

The previous prime is 80838427. The next prime is 80838463. The reversal of 80838438 is 83483808.

It is a self number, because there is not a number n which added to its sum of digits gives 80838438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13906 + ... + 18842.

It is an arithmetic number, because the mean of its divisors is an integer number (10110555).

Almost surely, 2^80838438 is an apocalyptic number.

80838438 is an abundant number, since it is smaller than the sum of its proper divisors (80930442).

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

80838438 is a wasteful number, since it uses less digits than its factorization.

80838438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 80838438 is about 8991.0198531646. The cubic root of 80838438 is about 432.3870095875.

The spelling of 80838438 in words is "eighty million, eight hundred thirty-eight thousand, four hundred thirty-eight".