380809854 has 24 divisors (see below), whose sum is σ = 826761000. Its totient is φ = 126679248.

The previous prime is 380809813. The next prime is 380809867. The reversal of 380809854 is 458908083.

It is a super-2 number, since 2×380809854² = 290032289807002632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12217 + ... + 30180.

It is an arithmetic number, because the mean of its divisors is an integer number (34448375).

Almost surely, 2^380809854 is an apocalyptic number.

380809854 is an abundant number, since it is smaller than the sum of its proper divisors (445951146).

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

380809854 is a wasteful number, since it uses less digits than its factorization.

380809854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42904 (or 42901 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 380809854 is about 19514.3499507414. The cubic root of 380809854 is about 724.8298318021.

The spelling of 380809854 in words is "three hundred eighty million, eight hundred nine thousand, eight hundred fifty-four".