89393428 has 24 divisors (see below), whose sum is σ = 162225000. Its totient is φ = 43051008.

The previous prime is 89393419. The next prime is 89393441. The reversal of 89393428 is 82439398.

It can be written as a sum of positive squares in 4 ways, for example, as 242064 + 89151364 = 492^2 + 9442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70948 + ... + 72196.

It is an arithmetic number, because the mean of its divisors is an integer number (6759375).

Almost surely, 2^89393428 is an apocalyptic number.

It is an amenable number.

89393428 is a deficient number, since it is larger than the sum of its proper divisors (72831572).

89393428 is a wasteful number, since it uses less digits than its factorization.

89393428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1897 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 89393428 is about 9454.8097812701. The cubic root of 89393428 is about 447.1314285710.

The spelling of 89393428 in words is "eighty-nine million, three hundred ninety-three thousand, four hundred twenty-eight".