385436 has 12 divisors (see below), whose sum is σ = 679728. Its totient is φ = 191232.

The previous prime is 385433. The next prime is 385471. The reversal of 385436 is 634583.

385436 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 385399 and 385408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (56644).

2³⁸⁵⁴³⁶ is an apocalyptic number.

It is an amenable number.

385436 is a deficient number, since it is larger than the sum of its proper divisors (294292).

385436 is a wasteful number, since it uses less digits than its factorization.

385436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 746 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 385436 is about 620.8349216982. The cubic root of 385436 is about 72.7753146592.

The spelling of 385436 in words is "three hundred eighty-five thousand, four hundred thirty-six".