83942829 has 6 divisors (see below), whose sum is σ = 121250766. Its totient is φ = 55961880.

The previous prime is 83942827. The next prime is 83942839. The reversal of 83942829 is 92824938.

It can be written as a sum of positive squares in only one way, i.e., 73925604 + 10017225 = 8598^2 + 3165^2 .

It is not a de Polignac number, because 83942829 - 2¹ = 83942827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83942827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4663482 + ... + 4663499.

It is an arithmetic number, because the mean of its divisors is an integer number (20208461).

Almost surely, 2^83942829 is an apocalyptic number.

It is an amenable number.

83942829 is a deficient number, since it is larger than the sum of its proper divisors (37307937).

83942829 is a wasteful number, since it uses less digits than its factorization.

83942829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9326987 (or 9326984 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 83942829 is about 9162.0319252882. The cubic root of 83942829 is about 437.8525337054.

The spelling of 83942829 in words is "eighty-three million, nine hundred forty-two thousand, eight hundred twenty-nine".