1382406 has 16 divisors (see below), whose sum is σ = 2927664. Its totient is φ = 433664.

The previous prime is 1382393. The next prime is 1382419. The reversal of 1382406 is 6042831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1382393) and next prime (1382419).

It is a super-2 number, since 2×1382406² = 3822092697672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6675 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (182979).

2^1382406 is an apocalyptic number.

1382406 is an abundant number, since it is smaller than the sum of its proper divisors (1545258).

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

1382406 is a wasteful number, since it uses less digits than its factorization.

1382406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13575.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1382406 is about 1175.7576280850. The cubic root of 1382406 is about 111.3982931728.

The spelling of 1382406 in words is "one million, three hundred eighty-two thousand, four hundred six".