1415855 has 12 divisors (see below), whose sum is σ = 1976760. Its totient is φ = 970704.

The previous prime is 1415851. The next prime is 1415881. The reversal of 1415855 is 5585141.

It is not a de Polignac number, because 1415855 - 2² = 1415851 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1415851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2645 + ... + 3134.

It is an arithmetic number, because the mean of its divisors is an integer number (164730).

2^1415855 is an apocalyptic number.

1415855 is a deficient number, since it is larger than the sum of its proper divisors (560905).

1415855 is an equidigital number, since it uses as much as digits as its factorization.

1415855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798 (or 5791 counting only the distinct ones).

The product of its digits is 4000, while the sum is 29.

The square root of 1415855 is about 1189.8970543707. The cubic root of 1415855 is about 112.2896150372.

The spelling of 1415855 in words is "one million, four hundred fifteen thousand, eight hundred fifty-five".