1826406 has 12 divisors (see below), whose sum is σ = 3957252. Its totient is φ = 608796.

The previous prime is 1826399. The next prime is 1826411. The reversal of 1826406 is 6046281.

1826406 is a `hidden beast` number, since 18 + 2 + 640 + 6 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1826406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50716 + ... + 50751.

It is an arithmetic number, because the mean of its divisors is an integer number (329771).

2^1826406 is an apocalyptic number.

1826406 is an abundant number, since it is smaller than the sum of its proper divisors (2130846).

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

1826406 is a wasteful number, since it uses less digits than its factorization.

1826406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101475 (or 101472 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1826406 is about 1351.4458923686. The cubic root of 1826406 is about 122.2359939792.

The spelling of 1826406 in words is "one million, eight hundred twenty-six thousand, four hundred six".