89421629 has 8 divisors (see below), whose sum is σ = 97748640. Its totient is φ = 81127600.

The previous prime is 89421623. The next prime is 89421641. The reversal of 89421629 is 92612498.

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 89421629 - 2⁸ = 89421373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89421623) 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, 2387 + ... + 13584.

It is an arithmetic number, because the mean of its divisors is an integer number (12218580).

Almost surely, 2^89421629 is an apocalyptic number.

It is an amenable number.

89421629 is a deficient number, since it is larger than the sum of its proper divisors (8327011).

89421629 is a wasteful number, since it uses less digits than its factorization.

89421629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16491.

The product of its digits is 62208, while the sum is 41.

The square root of 89421629 is about 9456.3010210124. The cubic root of 89421629 is about 447.1784425702.

The spelling of 89421629 in words is "eighty-nine million, four hundred twenty-one thousand, six hundred twenty-nine".