89439876 has 30 divisors (see below), whose sum is σ = 233814350. Its totient is φ = 29813184.

The previous prime is 89439863. The next prime is 89439899. The reversal of 89439876 is 67893498.

It can be written as a sum of positive squares in only one way, i.e., 45562500 + 43877376 = 6750^2 + 6624^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 137701 + ... + 138348.

Almost surely, 2^89439876 is an apocalyptic number.

It is an amenable number.

89439876 is an abundant number, since it is smaller than the sum of its proper divisors (144374474).

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

89439876 is a wasteful number, since it uses less digits than its factorization.

89439876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276065 (or 276054 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 89439876 is about 9457.2657782258. The cubic root of 89439876 is about 447.2088569498.

The spelling of 89439876 in words is "eighty-nine million, four hundred thirty-nine thousand, eight hundred seventy-six".