983835853 has 64 divisors (see below), whose sum is σ = 1362493440. Its totient is φ = 685843200.

The previous prime is 983835847. The next prime is 983835857. The reversal of 983835853 is 358538389.

It is not a de Polignac number, because 983835853 - 2⁵ = 983835821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 983835853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983835857) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7746676 + ... + 7746802.

It is an arithmetic number, because the mean of its divisors is an integer number (21288960).

Almost surely, 2^983835853 is an apocalyptic number.

983835853 is the 19838-th heptagonal number.

It is an amenable number.

983835853 is a deficient number, since it is larger than the sum of its proper divisors (378657587).

983835853 is a wasteful number, since it uses less digits than its factorization.

983835853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338.

The product of its digits is 3110400, while the sum is 52.

The square root of 983835853 is about 31366.1577659745. The cubic root of 983835853 is about 994.5826563835.

The spelling of 983835853 in words is "nine hundred eighty-three million, eight hundred thirty-five thousand, eight hundred fifty-three".