385637 has 8 divisors (see below), whose sum is σ = 446400. Its totient is φ = 326304.

The previous prime is 385631. The next prime is 385639. The reversal of 385637 is 736583.

It is a happy number.

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 385637 - 2⁴ = 385621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 932.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2³⁸⁵⁶³⁷ is an apocalyptic number.

It is an amenable number.

385637 is a deficient number, since it is larger than the sum of its proper divisors (60763).

385637 is an equidigital number, since it uses as much as digits as its factorization.

385637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715.

The product of its digits is 15120, while the sum is 32.

The square root of 385637 is about 620.9967793797. The cubic root of 385637 is about 72.7879629295.

The spelling of 385637 in words is "three hundred eighty-five thousand, six hundred thirty-seven".