80938494 has 144 divisors (see below), whose sum is σ = 227813040. Its totient is φ = 21228480.

The previous prime is 80938493. The next prime is 80938523. The reversal of 80938494 is 49483908.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80938493) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 447084 + ... + 447264.

It is an arithmetic number, because the mean of its divisors is an integer number (1582035).

Almost surely, 2^80938494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80938494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113906520).

80938494 is an abundant number, since it is smaller than the sum of its proper divisors (146874546).

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

80938494 is a wasteful number, since it uses less digits than its factorization.

80938494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 80938494 is about 8996.5823510931. The cubic root of 80938494 is about 432.5653285437.

The spelling of 80938494 in words is "eighty million, nine hundred thirty-eight thousand, four hundred ninety-four".