385289955 has 24 divisors (see below), whose sum is σ = 707121792. Its totient is φ = 193400064.

The previous prime is 385289941. The next prime is 385289963. The reversal of 385289955 is 559982583.

It is not a de Polignac number, because 385289955 - 2⁸ = 385289699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251059 + ... + 252588.

It is an arithmetic number, because the mean of its divisors is an integer number (29463408).

Almost surely, 2^385289955 is an apocalyptic number.

385289955 is a deficient number, since it is larger than the sum of its proper divisors (321831837).

385289955 is a wasteful number, since it uses less digits than its factorization.

385289955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503675 (or 503672 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The square root of 385289955 is about 19628.8042172721. The cubic root of 385289955 is about 727.6612176806.

The spelling of 385289955 in words is "three hundred eighty-five million, two hundred eighty-nine thousand, nine hundred fifty-five".