1396855 has 16 divisors (see below), whose sum is σ = 1758240. Its totient is φ = 1064448.

The previous prime is 1396849. The next prime is 1396867. The reversal of 1396855 is 5586931.

1396855 = 480² + 481² + ... + 485².

It is a cyclic number.

It is not a de Polignac number, because 1396855 - 2³ = 1396847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15651 + ... + 15739.

It is an arithmetic number, because the mean of its divisors is an integer number (109890).

2^1396855 is an apocalyptic number.

1396855 is a deficient number, since it is larger than the sum of its proper divisors (361385).

1396855 is an equidigital number, since it uses as much as digits as its factorization.

1396855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210.

The product of its digits is 32400, while the sum is 37.

The square root of 1396855 is about 1181.8862043361. The cubic root of 1396855 is about 111.7850629097.

The spelling of 1396855 in words is "one million, three hundred ninety-six thousand, eight hundred fifty-five".