1385853 has 8 divisors (see below), whose sum is σ = 2111808. Its totient is φ = 791904.

The previous prime is 1385843. The next prime is 1385861. The reversal of 1385853 is 3585831.

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

It is not a de Polignac number, because 1385853 - 2⁴ = 1385837 is a prime.

1385853 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385833) 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, 32976 + ... + 33017.

It is an arithmetic number, because the mean of its divisors is an integer number (263976).

2^1385853 is an apocalyptic number.

It is an amenable number.

1385853 is a deficient number, since it is larger than the sum of its proper divisors (725955).

1385853 is an equidigital number, since it uses as much as digits as its factorization.

1385853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66003.

The product of its digits is 14400, while the sum is 33.

The square root of 1385853 is about 1177.2225787845. Note that the first 3 decimals coincide. The cubic root of 1385853 is about 111.4908060817.

The spelling of 1385853 in words is "one million, three hundred eighty-five thousand, eight hundred fifty-three".