89430638 has 8 divisors (see below), whose sum is σ = 146341080. Its totient is φ = 40650280.

The previous prime is 89430637. The next prime is 89430661. The reversal of 89430638 is 83603498.

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

It is a junction number, because it is equal to n+sod(n) for n = 89430595 and 89430604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89430631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032493 + ... + 2032536.

It is an arithmetic number, because the mean of its divisors is an integer number (18292635).

Almost surely, 2^89430638 is an apocalyptic number.

89430638 is a deficient number, since it is larger than the sum of its proper divisors (56910442).

89430638 is a wasteful number, since it uses less digits than its factorization.

89430638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065042.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 89430638 is about 9456.7773580644. Note that the first 3 decimals coincide. The cubic root of 89430638 is about 447.1934594267.

The spelling of 89430638 in words is "eighty-nine million, four hundred thirty thousand, six hundred thirty-eight".