83898369 has 16 divisors (see below), whose sum is σ = 128304640. Its totient is φ = 54127440.

The previous prime is 83898361. The next prime is 83898371. The reversal of 83898369 is 96389838.

It is not a de Polignac number, because 83898369 - 2³ = 83898361 is a prime.

It is a super-2 number, since 2×83898369² = 14077872641720322, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83898361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49282 + ... + 50955.

It is an arithmetic number, because the mean of its divisors is an integer number (8019040).

Almost surely, 2^83898369 is an apocalyptic number.

It is an amenable number.

83898369 is a deficient number, since it is larger than the sum of its proper divisors (44406271).

83898369 is a wasteful number, since it uses less digits than its factorization.

83898369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100277 (or 100271 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 83898369 is about 9159.6052862555. The cubic root of 83898369 is about 437.7752177443.

The spelling of 83898369 in words is "eighty-three million, eight hundred ninety-eight thousand, three hundred sixty-nine".