385403705 has 8 divisors (see below), whose sum is σ = 462672000. Its totient is φ = 308197936.

The previous prime is 385403699. The next prime is 385403717. The reversal of 385403705 is 507304583.

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

It is a cyclic number.

It is not a de Polignac number, because 385403705 - 2⁸ = 385403449 is a prime.

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, 785 + ... + 27774.

It is an arithmetic number, because the mean of its divisors is an integer number (57834000).

Almost surely, 2^385403705 is an apocalyptic number.

It is an amenable number.

385403705 is a deficient number, since it is larger than the sum of its proper divisors (77268295).

385403705 is a wasteful number, since it uses less digits than its factorization.

385403705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31263.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 385403705 is about 19631.7015309422. The cubic root of 385403705 is about 727.7328203079.

The spelling of 385403705 in words is "three hundred eighty-five million, four hundred three thousand, seven hundred five".