1481985 has 12 divisors (see below), whose sum is σ = 2568852. Its totient is φ = 790368.

The previous prime is 1481971. The next prime is 1481989. The reversal of 1481985 is 5891841.

It can be written as a sum of positive squares in 2 ways, for example, as 263169 + 1218816 = 513^2 + 1104^2 .

It is not a de Polignac number, because 1481985 - 2¹¹ = 1479937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1481989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16422 + ... + 16511.

It is an arithmetic number, because the mean of its divisors is an integer number (214071).

2^1481985 is an apocalyptic number.

1481985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1481985 is a deficient number, since it is larger than the sum of its proper divisors (1086867).

1481985 is a wasteful number, since it uses less digits than its factorization.

1481985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32944 (or 32941 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1481985 is about 1217.3680626663. The cubic root of 1481985 is about 114.0113100506.

The spelling of 1481985 in words is "one million, four hundred eighty-one thousand, nine hundred eighty-five".