89919654 has 64 divisors (see below), whose sum is σ = 205701120. Its totient is φ = 25956000.

The previous prime is 89919653. The next prime is 89919667. The reversal of 89919654 is 45691998.

It is a junction number, because it is equal to n+sod(n) for n = 89919597 and 89919606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89919653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144957 + ... + 145575.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^89919654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89919654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102850560).

89919654 is an abundant number, since it is smaller than the sum of its proper divisors (115781466).

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

89919654 is a wasteful number, since it uses less digits than its factorization.

89919654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737.

The product of its digits is 699840, while the sum is 51.

The square root of 89919654 is about 9482.5974289748. The cubic root of 89919654 is about 448.0070783055.

The spelling of 89919654 in words is "eighty-nine million, nine hundred nineteen thousand, six hundred fifty-four".