83889029 has 12 divisors (see below), whose sum is σ = 97751808. Its totient is φ = 71782200.

The previous prime is 83889023. The next prime is 83889041. The reversal of 83889029 is 92098838.

It is a happy number.

It is not a de Polignac number, because 83889029 - 2⁸ = 83888773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83889023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38684 + ... + 40794.

It is an arithmetic number, because the mean of its divisors is an integer number (8145984).

Almost surely, 2^83889029 is an apocalyptic number.

It is an amenable number.

83889029 is a deficient number, since it is larger than the sum of its proper divisors (13862779).

83889029 is a wasteful number, since it uses less digits than its factorization.

83889029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 83889029 is about 9159.0954247677. The cubic root of 83889029 is about 437.7589720082.

The spelling of 83889029 in words is "eighty-three million, eight hundred eighty-nine thousand, twenty-nine".