385190905 has 64 divisors (see below), whose sum is σ = 549607680. Its totient is φ = 256435200.

The previous prime is 385190797. The next prime is 385190917. The reversal of 385190905 is 509091583.

It is not a de Polignac number, because 385190905 - 2¹³ = 385182713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3599862 + ... + 3599968.

It is an arithmetic number, because the mean of its divisors is an integer number (8587620).

Almost surely, 2^385190905 is an apocalyptic number.

It is an amenable number.

385190905 is a deficient number, since it is larger than the sum of its proper divisors (164416775).

385190905 is a wasteful number, since it uses less digits than its factorization.

385190905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 385190905 is about 19626.2809773018. The cubic root of 385190905 is about 727.5988568362.

The spelling of 385190905 in words is "three hundred eighty-five million, one hundred ninety thousand, nine hundred five".