385047 has 16 divisors (see below), whose sum is σ = 614880. Its totient is φ = 236736.

The previous prime is 385039. The next prime is 385057. The reversal of 385047 is 740583.

385047 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 385047 - 2³ = 385039 is a prime.

It is a super-2 number, since 2×385047² = 296522384418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

385047 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 385047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (38430).

2³⁸⁵⁰⁴⁷ is an apocalyptic number.

385047 is a deficient number, since it is larger than the sum of its proper divisors (229833).

385047 is a wasteful number, since it uses less digits than its factorization.

385047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 385047 is about 620.5215548230. The cubic root of 385047 is about 72.7508236701.

The spelling of 385047 in words is "three hundred eighty-five thousand, forty-seven".