385629 has 8 divisors (see below), whose sum is σ = 517632. Its totient is φ = 255360.

The previous prime is 385621. The next prime is 385631. The reversal of 385629 is 926583.

It is a happy number.

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

It is not a de Polignac number, because 385629 - 2³ = 385621 is a prime.

385629 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 385629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (64704).

2³⁸⁵⁶²⁹ is an apocalyptic number.

It is an amenable number.

385629 is a deficient number, since it is larger than the sum of its proper divisors (132003).

385629 is a wasteful number, since it uses less digits than its factorization.

385629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867.

The product of its digits is 12960, while the sum is 33.

The square root of 385629 is about 620.9903380891. The cubic root of 385629 is about 72.7874595998.

The spelling of 385629 in words is "three hundred eighty-five thousand, six hundred twenty-nine".