80288946 has 48 divisors (see below), whose sum is σ = 189047040. Its totient is φ = 24533280.

The previous prime is 80288941. The next prime is 80288963. The reversal of 80288946 is 64988208.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (80288941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6816 + ... + 14388.

It is an arithmetic number, because the mean of its divisors is an integer number (3938480).

Almost surely, 2^80288946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80288946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94523520).

80288946 is an abundant number, since it is smaller than the sum of its proper divisors (108758094).

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

80288946 is a wasteful number, since it uses less digits than its factorization.

80288946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631 (or 7628 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 80288946 is about 8960.4099236586. The cubic root of 80288946 is about 431.4050774348.

The spelling of 80288946 in words is "eighty million, two hundred eighty-eight thousand, nine hundred forty-six".