83398853 has 4 divisors (see below), whose sum is σ = 84643680. Its totient is φ = 82154028.

The previous prime is 83398807. The next prime is 83398891. The reversal of 83398853 is 35889338.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83398853 - 2⁶ = 83398789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83398798 and 83398807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83398453) 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, 622313 + ... + 622446.

It is an arithmetic number, because the mean of its divisors is an integer number (21160920).

Almost surely, 2^83398853 is an apocalyptic number.

It is an amenable number.

83398853 is a deficient number, since it is larger than the sum of its proper divisors (1244827).

83398853 is a wasteful number, since it uses less digits than its factorization.

83398853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244826.

The product of its digits is 622080, while the sum is 47.

The square root of 83398853 is about 9132.2972465859. The cubic root of 83398853 is about 436.9046757819.

The spelling of 83398853 in words is "eighty-three million, three hundred ninety-eight thousand, eight hundred fifty-three".