1386850 has 12 divisors (see below), whose sum is σ = 2579634. Its totient is φ = 554720.

The previous prime is 1386839. The next prime is 1386857. The reversal of 1386850 is 586831.

It can be written as a sum of positive squares in 3 ways, for example, as 1252161 + 134689 = 1119^2 + 367^2 .

It is not an unprimeable number, because it can be changed into a prime (1386857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13819 + ... + 13918.

2^1386850 is an apocalyptic number.

1386850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1386850 is a deficient number, since it is larger than the sum of its proper divisors (1192784).

1386850 is a wasteful number, since it uses less digits than its factorization.

1386850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27749 (or 27744 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1386850 is about 1177.6459569837. The cubic root of 1386850 is about 111.5175356334.

The spelling of 1386850 in words is "one million, three hundred eighty-six thousand, eight hundred fifty".