83908445 has 8 divisors (see below), whose sum is σ = 100760544. Its totient is φ = 67079824.

The previous prime is 83908441. The next prime is 83908459. The reversal of 83908445 is 54480938.

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 83908445 - 2² = 83908441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83908441) 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, 3302 + ... + 13368.

It is an arithmetic number, because the mean of its divisors is an integer number (12595068).

Almost surely, 2^83908445 is an apocalyptic number.

It is an amenable number.

83908445 is a deficient number, since it is larger than the sum of its proper divisors (16852099).

83908445 is a wasteful number, since it uses less digits than its factorization.

83908445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11739.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 83908445 is about 9160.1552934434. The cubic root of 83908445 is about 437.7927423063.

The spelling of 83908445 in words is "eighty-three million, nine hundred eight thousand, four hundred forty-five".