1983535 has 16 divisors (see below), whose sum is σ = 2506752. Its totient is φ = 1504800.

The previous prime is 1983523. The next prime is 1983559. The reversal of 1983535 is 5353891.

1983535 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 1983535 - 2⁵ = 1983503 is a prime.

It is a super-2 number, since 2×1983535² = 7868822192450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1983535.

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 15 ways as a sum of consecutive naturals, for example, 10290 + ... + 10480.

It is an arithmetic number, because the mean of its divisors is an integer number (156672).

2^1983535 is an apocalyptic number.

1983535 is a deficient number, since it is larger than the sum of its proper divisors (523217).

1983535 is a wasteful number, since it uses less digits than its factorization.

1983535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its digits is 16200, while the sum is 34.

The square root of 1983535 is about 1408.3802753518. The cubic root of 1983535 is about 125.6454085141.

The spelling of 1983535 in words is "one million, nine hundred eighty-three thousand, five hundred thirty-five".