1386234 has 40 divisors (see below), whose sum is σ = 3194400. Its totient is φ = 449064.

The previous prime is 1386223. The next prime is 1386239. The reversal of 1386234 is 4326831.

It is a happy number.

1386234 is a `hidden beast` number, since 1 + 38 + 623 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1386198 and 1386207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386239) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6867 + ... + 7065.

It is an arithmetic number, because the mean of its divisors is an integer number (79860).

2^1386234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1386234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597200).

1386234 is an abundant number, since it is smaller than the sum of its proper divisors (1808166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1386234 is a wasteful number, since it uses less digits than its factorization.

1386234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 247 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1386234 is about 1177.3843892289. The cubic root of 1386234 is about 111.5010221977.

The spelling of 1386234 in words is "one million, three hundred eighty-six thousand, two hundred thirty-four".