83826403 has 4 divisors (see below), whose sum is σ = 83895840. Its totient is φ = 83756968.

The previous prime is 83826401. The next prime is 83826409. The reversal of 83826403 is 30462838.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83826403 - 2¹ = 83826401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83826401) 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, 32875 + ... + 35332.

It is an arithmetic number, because the mean of its divisors is an integer number (20973960).

Almost surely, 2^83826403 is an apocalyptic number.

83826403 is a deficient number, since it is larger than the sum of its proper divisors (69437).

83826403 is a wasteful number, since it uses less digits than its factorization.

83826403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69436.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 83826403 is about 9155.6759990729. The cubic root of 83826403 is about 437.6500109254.

The spelling of 83826403 in words is "eighty-three million, eight hundred twenty-six thousand, four hundred three".