1364985 has 16 divisors (see below), whose sum is σ = 2426880. Its totient is φ = 727920.

The previous prime is 1364971. The next prime is 1365011. The reversal of 1364985 is 5894631.

1364985 is a `hidden beast` number, since 1 + 3 + 649 + 8 + 5 = 666.

It is not a de Polignac number, because 1364985 - 2⁴ = 1364969 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4921 + ... + 5190.

It is an arithmetic number, because the mean of its divisors is an integer number (151680).

2^1364985 is an apocalyptic number.

1364985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1364985 is a deficient number, since it is larger than the sum of its proper divisors (1061895).

1364985 is a wasteful number, since it uses less digits than its factorization.

1364985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125 (or 10119 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1364985 is about 1168.3257251298. The cubic root of 1364985 is about 110.9283686857.

It can be divided in two parts, 136498 and 5, that added together give a triangular number (136503 = T₅₂₂).

The spelling of 1364985 in words is "one million, three hundred sixty-four thousand, nine hundred eighty-five".