83849929 has 4 divisors (see below), whose sum is σ = 85224580. Its totient is φ = 82475280.

The previous prime is 83849921. The next prime is 83849939. The reversal of 83849929 is 92994838.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 79655625 = 2048^2 + 8925^2 .

It is a cyclic number.

It is not a de Polignac number, because 83849929 - 2³ = 83849921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83849921) 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, 687234 + ... + 687355.

It is an arithmetic number, because the mean of its divisors is an integer number (21306145).

Almost surely, 2^83849929 is an apocalyptic number.

It is an amenable number.

83849929 is a deficient number, since it is larger than the sum of its proper divisors (1374651).

83849929 is a wasteful number, since it uses less digits than its factorization.

83849929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374650.

The product of its digits is 1119744, while the sum is 52.

The square root of 83849929 is about 9156.9606857297. The cubic root of 83849929 is about 437.6909494632.

The spelling of 83849929 in words is "eighty-three million, eight hundred forty-nine thousand, nine hundred twenty-nine".