89430855 has 16 divisors (see below), whose sum is σ = 143293920. Its totient is φ = 47628288.

The previous prime is 89430827. The next prime is 89430857. The reversal of 89430855 is 55803498.

It is not a de Polignac number, because 89430855 - 2⁵ = 89430823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89430857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7659 + ... + 15411.

It is an arithmetic number, because the mean of its divisors is an integer number (8955870).

Almost surely, 2^89430855 is an apocalyptic number.

89430855 is a deficient number, since it is larger than the sum of its proper divisors (53863065).

89430855 is a wasteful number, since it uses less digits than its factorization.

89430855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8530.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 89430855 is about 9456.7888313106. The cubic root of 89430855 is about 447.1938211256.

The spelling of 89430855 in words is "eighty-nine million, four hundred thirty thousand, eight hundred fifty-five".