83634395 has 8 divisors (see below), whose sum is σ = 108081456. Its totient is φ = 61760736.

The previous prime is 83634337. The next prime is 83634401. The reversal of 83634395 is 59343638.

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

It is a cyclic number.

It is not a de Polignac number, because 83634395 - 2⁸ = 83634139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643277 + ... + 643406.

It is an arithmetic number, because the mean of its divisors is an integer number (13510182).

Almost surely, 2^83634395 is an apocalyptic number.

83634395 is a deficient number, since it is larger than the sum of its proper divisors (24447061).

83634395 is a wasteful number, since it uses less digits than its factorization.

83634395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286701.

The product of its digits is 233280, while the sum is 41.

The square root of 83634395 is about 9145.1842518344. The cubic root of 83634395 is about 437.3156033802.

The spelling of 83634395 in words is "eighty-three million, six hundred thirty-four thousand, three hundred ninety-five".