83398605 has 8 divisors (see below), whose sum is σ = 133437792. Its totient is φ = 44479248.

The previous prime is 83398603. The next prime is 83398669. The reversal of 83398605 is 50689338.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83398605 - 2¹ = 83398603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83398603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2779939 + ... + 2779968.

It is an arithmetic number, because the mean of its divisors is an integer number (16679724).

Almost surely, 2^83398605 is an apocalyptic number.

It is an amenable number.

83398605 is a deficient number, since it is larger than the sum of its proper divisors (50039187).

83398605 is a wasteful number, since it uses less digits than its factorization.

83398605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559915.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 83398605 is about 9132.2836683931. The cubic root of 83398605 is about 436.9042427125.

The spelling of 83398605 in words is "eighty-three million, three hundred ninety-eight thousand, six hundred five".