380986305 has 64 divisors (see below), whose sum is σ = 717465600. Its totient is φ = 169044480.

The previous prime is 380986301. The next prime is 380986327. The reversal of 380986305 is 503689083.

It is not a de Polignac number, because 380986305 - 2² = 380986301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380986301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 551010 + ... + 551700.

It is an arithmetic number, because the mean of its divisors is an integer number (11210400).

Almost surely, 2^380986305 is an apocalyptic number.

380986305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

380986305 is a deficient number, since it is larger than the sum of its proper divisors (336479295).

380986305 is a wasteful number, since it uses less digits than its factorization.

380986305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 380986305 is about 19518.8704847386. The cubic root of 380986305 is about 724.9417662303.

The spelling of 380986305 in words is "three hundred eighty million, nine hundred eighty-six thousand, three hundred five".