385485903 has 24 divisors (see below), whose sum is σ = 609623040. Its totient is φ = 232785360.

The previous prime is 385485887. The next prime is 385485913. The reversal of 385485903 is 309584583.

It is a happy number.

385485903 is a `hidden beast` number, since 3 + 8 + 54 + 8 + 590 + 3 = 666.

It is not a de Polignac number, because 385485903 - 2⁴ = 385485887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385485913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21138 + ... + 34896.

It is an arithmetic number, because the mean of its divisors is an integer number (25400960).

Almost surely, 2^385485903 is an apocalyptic number.

385485903 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

385485903 is a deficient number, since it is larger than the sum of its proper divisors (224137137).

385485903 is a wasteful number, since it uses less digits than its factorization.

385485903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14059 (or 14056 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 385485903 is about 19633.7949210029. The cubic root of 385485903 is about 727.7845530144.

The spelling of 385485903 in words is "three hundred eighty-five million, four hundred eighty-five thousand, nine hundred three".