83819434 has 8 divisors (see below), whose sum is σ = 125770788. Its totient is φ = 41895840.

The previous prime is 83819419. The next prime is 83819453. The reversal of 83819434 is 43491838.

It can be written as a sum of positive squares in 2 ways, for example, as 83777409 + 42025 = 9153^2 + 205^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4164 + ... + 13600.

Almost surely, 2^83819434 is an apocalyptic number.

83819434 is a deficient number, since it is larger than the sum of its proper divisors (41951354).

83819434 is a wasteful number, since it uses less digits than its factorization.

83819434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880.

The product of its digits is 82944, while the sum is 40.

The square root of 83819434 is about 9155.2954075770. The cubic root of 83819434 is about 437.6378824180.

The spelling of 83819434 in words is "eighty-three million, eight hundred nineteen thousand, four hundred thirty-four".