83440029 has 8 divisors (see below), whose sum is σ = 117797760. Its totient is φ = 52354496.

The previous prime is 83439973. The next prime is 83440099. The reversal of 83440029 is 92004438.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83440029 - 2¹⁹ = 82915741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83439978 and 83440005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83440099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817989 + ... + 818090.

It is an arithmetic number, because the mean of its divisors is an integer number (14724720).

Almost surely, 2^83440029 is an apocalyptic number.

It is an amenable number.

83440029 is a deficient number, since it is larger than the sum of its proper divisors (34357731).

83440029 is a wasteful number, since it uses less digits than its factorization.

83440029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636099.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 83440029 is about 9134.5513847151. The cubic root of 83440029 is about 436.9765673664.

The spelling of 83440029 in words is "eighty-three million, four hundred forty thousand, twenty-nine".