1385716 has 6 divisors (see below), whose sum is σ = 2425010. Its totient is φ = 692856.

The previous prime is 1385693. The next prime is 1385743. The reversal of 1385716 is 6175831.

It can be written as a sum of positive squares in only one way, i.e., 1094116 + 291600 = 1046^2 + 540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173211 + ... + 173218.

2^1385716 is an apocalyptic number.

It is an amenable number.

1385716 is a deficient number, since it is larger than the sum of its proper divisors (1039294).

1385716 is a wasteful number, since it uses less digits than its factorization.

1385716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346433 (or 346431 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 1385716 is about 1177.1643895395. The cubic root of 1385716 is about 111.4871321124.

The spelling of 1385716 in words is "one million, three hundred eighty-five thousand, seven hundred sixteen".