80489946 has 32 divisors (see below), whose sum is σ = 164400768. Its totient is φ = 26265600.

The previous prime is 80489891. The next prime is 80489953. The reversal of 80489946 is 64998408.

It is a junction number, because it is equal to n+sod(n) for n = 80489895 and 80489904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65530 + ... + 66746.

It is an arithmetic number, because the mean of its divisors is an integer number (5137524).

Almost surely, 2^80489946 is an apocalyptic number.

80489946 is an abundant number, since it is smaller than the sum of its proper divisors (83910822).

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

80489946 is a wasteful number, since it uses less digits than its factorization.

80489946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 80489946 is about 8971.6189174530. The cubic root of 80489946 is about 431.7647789257.

The spelling of 80489946 in words is "eighty million, four hundred eighty-nine thousand, nine hundred forty-six".