89473784 has 16 divisors (see below), whose sum is σ = 167864400. Its totient is φ = 44709952.

The previous prime is 89473777. The next prime is 89473789. The reversal of 89473784 is 48737498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89473789) 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 3 ways as a sum of consecutive naturals, for example, 21869 + ... + 25635.

It is an arithmetic number, because the mean of its divisors is an integer number (10491525).

Almost surely, 2^89473784 is an apocalyptic number.

It is an amenable number.

89473784 is a deficient number, since it is larger than the sum of its proper divisors (78390616).

89473784 is a wasteful number, since it uses less digits than its factorization.

89473784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742 (or 6738 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 50.

The square root of 89473784 is about 9459.0583040808. The cubic root of 89473784 is about 447.2653643404.

The spelling of 89473784 in words is "eighty-nine million, four hundred seventy-three thousand, seven hundred eighty-four".