89428029 has 8 divisors (see below), whose sum is σ = 119337120. Its totient is φ = 59568816.

The previous prime is 89428019. The next prime is 89428039. The reversal of 89428029 is 92082498.

It is an interprime number because it is at equal distance from previous prime (89428019) and next prime (89428039).

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

It is not a de Polignac number, because 89428029 - 2⁵ = 89427997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89428019) 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, 8062 + ... + 15615.

It is an arithmetic number, because the mean of its divisors is an integer number (14917140).

Almost surely, 2^89428029 is an apocalyptic number.

It is an amenable number.

89428029 is a deficient number, since it is larger than the sum of its proper divisors (29909091).

89428029 is a wasteful number, since it uses less digits than its factorization.

89428029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24939.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 89428029 is about 9456.6394136606. The cubic root of 89428029 is about 447.1891106595.

The spelling of 89428029 in words is "eighty-nine million, four hundred twenty-eight thousand, twenty-nine".