80219394 has 48 divisors (see below), whose sum is σ = 180835200. Its totient is φ = 25669728.

The previous prime is 80219383. The next prime is 80219401. The reversal of 80219394 is 49391208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124437 + ... + 125079.

It is an arithmetic number, because the mean of its divisors is an integer number (3767400).

Almost surely, 2^80219394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80219394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90417600).

80219394 is an abundant number, since it is smaller than the sum of its proper divisors (100615806).

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

80219394 is a wasteful number, since it uses less digits than its factorization.

80219394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 80219394 is about 8956.5280103397. The cubic root of 80219394 is about 431.2804701848.

The spelling of 80219394 in words is "eighty million, two hundred nineteen thousand, three hundred ninety-four".