1985753 has 32 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 1382400.

The previous prime is 1985743. The next prime is 1985759. The reversal of 1985753 is 3575891.

It is a cyclic number.

It is not a de Polignac number, because 1985753 - 2⁶ = 1985689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1985759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48413 + ... + 48453.

It is an arithmetic number, because the mean of its divisors is an integer number (86184).

2^1985753 is an apocalyptic number.

It is an amenable number.

1985753 is a deficient number, since it is larger than the sum of its proper divisors (772135).

1985753 is a wasteful number, since it uses less digits than its factorization.

1985753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113.

The product of its digits is 37800, while the sum is 38.

The square root of 1985753 is about 1409.1674847228. The cubic root of 1985753 is about 125.6922235364.

The spelling of 1985753 in words is "one million, nine hundred eighty-five thousand, seven hundred fifty-three".