2820463386 has 64 divisors (see below), whose sum is σ = 6134486400. Its totient is φ = 859366656.

The previous prime is 2820463363. The next prime is 2820463391. The reversal of 2820463386 is 6833640282.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4804585 + ... + 4805171.

It is an arithmetic number, because the mean of its divisors is an integer number (95851350).

Almost surely, 2^2820463386 is an apocalyptic number.

2820463386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2820463386 is an abundant number, since it is smaller than the sum of its proper divisors (3314023014).

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

2820463386 is a wasteful number, since it uses less digits than its factorization.

2820463386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 2820463386 is about 53108.0350417901. The cubic root of 2820463386 is about 1412.8850249211.

The spelling of 2820463386 in words is "two billion, eight hundred twenty million, four hundred sixty-three thousand, three hundred eighty-six".