1826985 has 16 divisors (see below), whose sum is σ = 3018240. Its totient is φ = 942720.

The previous prime is 1826977. The next prime is 1826987. The reversal of 1826985 is 5896281.

It is not a de Polignac number, because 1826985 - 2³ = 1826977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1826987) by changing a digit.

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, 1500 + ... + 2429.

It is an arithmetic number, because the mean of its divisors is an integer number (188640).

2^1826985 is an apocalyptic number.

1826985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1826985 is a deficient number, since it is larger than the sum of its proper divisors (1191255).

1826985 is a wasteful number, since it uses less digits than its factorization.

1826985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968.

The product of its digits is 34560, while the sum is 39.

The square root of 1826985 is about 1351.6600904073. The cubic root of 1826985 is about 122.2489095382.

The spelling of 1826985 in words is "one million, eight hundred twenty-six thousand, nine hundred eighty-five".