385454905 has 16 divisors (see below), whose sum is σ = 510681024. Its totient is φ = 276950080.

The previous prime is 385454897. The next prime is 385454911. The reversal of 385454905 is 509454583.

It is not a de Polignac number, because 385454905 - 2³ = 385454897 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 37654 + ... + 46783.

It is an arithmetic number, because the mean of its divisors is an integer number (31917564).

Almost surely, 2^385454905 is an apocalyptic number.

It is an amenable number.

385454905 is a deficient number, since it is larger than the sum of its proper divisors (125226119).

385454905 is a wasteful number, since it uses less digits than its factorization.

385454905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84536.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 385454905 is about 19633.0055009415. The cubic root of 385454905 is about 727.7650447608.

The spelling of 385454905 in words is "three hundred eighty-five million, four hundred fifty-four thousand, nine hundred five".