386446080 has 144 divisors (see below), whose sum is σ = 1244011104. Its totient is φ = 102236160.

The previous prime is 386446063. The next prime is 386446087. The reversal of 386446080 is 80644683.

It is not an unprimeable number, because it can be changed into a prime (386446087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602560 + ... + 603200.

It is an arithmetic number, because the mean of its divisors is an integer number (8638966).

Almost surely, 2^386446080 is an apocalyptic number.

386446080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386446080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622005552).

386446080 is an abundant number, since it is smaller than the sum of its proper divisors (857565024).

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

386446080 is a wasteful number, since it uses less digits than its factorization.

386446080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 386446080 is about 19658.2318635222. The cubic root of 386446080 is about 728.3883127435.

The spelling of 386446080 in words is "three hundred eighty-six million, four hundred forty-six thousand, eighty".