385497938 has 16 divisors (see below), whose sum is σ = 673323840. Its totient is φ = 162095856.

The previous prime is 385497919. The next prime is 385497943. The reversal of 385497938 is 839794583.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 259028 + ... + 260511.

It is an arithmetic number, because the mean of its divisors is an integer number (42082740).

Almost surely, 2^385497938 is an apocalyptic number.

385497938 is a deficient number, since it is larger than the sum of its proper divisors (287825902).

385497938 is a wasteful number, since it uses less digits than its factorization.

385497938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519601.

The product of its digits is 6531840, while the sum is 56.

The square root of 385497938 is about 19634.1014054629. The cubic root of 385497938 is about 727.7921268287.

The spelling of 385497938 in words is "three hundred eighty-five million, four hundred ninety-seven thousand, nine hundred thirty-eight".