83455438 has 8 divisors (see below), whose sum is σ = 136563480. Its totient is φ = 37934280.

The previous prime is 83455403. The next prime is 83455439.

83455438 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 83455438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83455439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896693 + ... + 1896736.

It is an arithmetic number, because the mean of its divisors is an integer number (17070435).

Almost surely, 2^83455438 is an apocalyptic number.

83455438 is a deficient number, since it is larger than the sum of its proper divisors (53108042).

83455438 is a wasteful number, since it uses less digits than its factorization.

83455438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793442.

The product of its digits is 230400, while the sum is 40.

The square root of 83455438 is about 9135.3947916880. The cubic root of 83455438 is about 437.0034647583.

The spelling of 83455438 in words is "eighty-three million, four hundred fifty-five thousand, four hundred thirty-eight".