1499985 has 32 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 777600.

The previous prime is 1499977. The next prime is 1500007. The reversal of 1499985 is 5899941.

It is not a de Polignac number, because 1499985 - 2³ = 1499977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1499985.

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 31 ways as a sum of consecutive naturals, for example, 5400 + ... + 5670.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2^1499985 is an apocalyptic number.

1499985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1499985 is a deficient number, since it is larger than the sum of its proper divisors (1241775).

1499985 is a wasteful number, since it uses less digits than its factorization.

1499985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 320 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 1499985 is about 1224.7387476519. The cubic root of 1499985 is about 114.4710426826.

1499985 divided by its sum of digits (45) gives a palindrome (33333).

It can be divided in two parts, 14 and 99985, that added together give a palindrome (99999).

The spelling of 1499985 in words is "one million, four hundred ninety-nine thousand, nine hundred eighty-five".