983497853 has 4 divisors (see below), whose sum is σ = 1059151548. Its totient is φ = 907844160.

The previous prime is 983497819. The next prime is 983497877. The reversal of 983497853 is 358794389.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 358647844 + 624850009 = 18938^2 + 24997^2 .

It is a cyclic number.

It is not a de Polignac number, because 983497853 - 2⁶ = 983497789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983497553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37826828 + ... + 37826853.

It is an arithmetic number, because the mean of its divisors is an integer number (264787887).

Almost surely, 2^983497853 is an apocalyptic number.

It is an amenable number.

983497853 is a deficient number, since it is larger than the sum of its proper divisors (75653695).

983497853 is a wasteful number, since it uses less digits than its factorization.

983497853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75653694.

The product of its digits is 6531840, while the sum is 56.

The square root of 983497853 is about 31360.7693304868. The cubic root of 983497853 is about 994.4687459714.

The spelling of 983497853 in words is "nine hundred eighty-three million, four hundred ninety-seven thousand, eight hundred fifty-three".