83890329 has 4 divisors (see below), whose sum is σ = 111853776. Its totient is φ = 55926884.

The previous prime is 83890321. The next prime is 83890333. The reversal of 83890329 is 92309838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83890329 - 2³ = 83890321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (83890321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13981719 + ... + 13981724.

It is an arithmetic number, because the mean of its divisors is an integer number (27963444).

Almost surely, 2^83890329 is an apocalyptic number.

It is an amenable number.

83890329 is a deficient number, since it is larger than the sum of its proper divisors (27963447).

83890329 is a wasteful number, since it uses less digits than its factorization.

83890329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27963446.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 83890329 is about 9159.1663921997. The cubic root of 83890329 is about 437.7612332643.

The spelling of 83890329 in words is "eighty-three million, eight hundred ninety thousand, three hundred twenty-nine".