385284903 has 8 divisors (see below), whose sum is σ = 515145600. Its totient is φ = 256140408.

The previous prime is 385284901. The next prime is 385284929. The reversal of 385284903 is 309482583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 385284903 - 2¹ = 385284901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385284901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177793 + ... + 179946.

It is an arithmetic number, because the mean of its divisors is an integer number (64393200).

Almost surely, 2^385284903 is an apocalyptic number.

385284903 is a deficient number, since it is larger than the sum of its proper divisors (129860697).

385284903 is a wasteful number, since it uses less digits than its factorization.

385284903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358101.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 385284903 is about 19628.6755284201. The cubic root of 385284903 is about 727.6580372529.

The spelling of 385284903 in words is "three hundred eighty-five million, two hundred eighty-four thousand, nine hundred three".