1386426 has 16 divisors (see below), whose sum is σ = 2786400. Its totient is φ = 459888.

The previous prime is 1386419. The next prime is 1386443. The reversal of 1386426 is 6246831.

It is a d-powerful number, because it can be written as 1 + 3¹² + 8 + 6⁶ + 4⁶ + 2¹⁹ + 6⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 1386393 and 1386402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (174150).

2^1386426 is an apocalyptic number.

1386426 is an abundant number, since it is smaller than the sum of its proper divisors (1399974).

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

1386426 is a wasteful number, since it uses less digits than its factorization.

1386426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133.

The product of its digits is 6912, while the sum is 30.

The square root of 1386426 is about 1177.4659230738. The cubic root of 1386426 is about 111.5061697672.

The spelling of 1386426 in words is "one million, three hundred eighty-six thousand, four hundred twenty-six".