89430636 has 24 divisors (see below), whose sum is σ = 212094064. Its totient is φ = 29321280.

The previous prime is 89430631. The next prime is 89430637. The reversal of 89430636 is 63603498.

It is a junction number, because it is equal to n+sod(n) for n = 89430594 and 89430603.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60355 + ... + 61818.

Almost surely, 2^89430636 is an apocalyptic number.

It is an amenable number.

89430636 is an abundant number, since it is smaller than the sum of its proper divisors (122663428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89430636 is a wasteful number, since it uses less digits than its factorization.

89430636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122241 (or 122239 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 89430636 is about 9456.7772523202. Note that the first 3 decimals coincide. The cubic root of 89430636 is about 447.1934560930.

The spelling of 89430636 in words is "eighty-nine million, four hundred thirty thousand, six hundred thirty-six".