1385357 has 4 divisors (see below), whose sum is σ = 1387740. Its totient is φ = 1382976.

The previous prime is 1385341. The next prime is 1385369. The reversal of 1385357 is 7535831.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7535831 = 967 ⋅7793.

It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 373321 = 1006^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 1385357 - 2⁴ = 1385341 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 (1385327) 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, 323 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (346935).

2^1385357 is an apocalyptic number.

It is an amenable number.

1385357 is a deficient number, since it is larger than the sum of its proper divisors (2383).

1385357 is a wasteful number, since it uses less digits than its factorization.

1385357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382.

The product of its digits is 12600, while the sum is 32.

The square root of 1385357 is about 1177.0118945873. The cubic root of 1385357 is about 111.4775035553.

The spelling of 1385357 in words is "one million, three hundred eighty-five thousand, three hundred fifty-seven".