89428337 has 2 divisors, whose sum is σ = 89428338. Its totient is φ = 89428336.

The previous prime is 89428321. The next prime is 89428343. The reversal of 89428337 is 73382498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63377521 + 26050816 = 7961^2 + 5104^2 .

It is a cyclic number.

It is not a de Polignac number, because 89428337 - 2⁴ = 89428321 is a prime.

It is not a weakly prime, because it can be changed into another prime (89427337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44714168 + 44714169.

It is an arithmetic number, because the mean of its divisors is an integer number (44714169).

Almost surely, 2^89428337 is an apocalyptic number.

It is an amenable number.

89428337 is a deficient number, since it is larger than the sum of its proper divisors (1).

89428337 is an equidigital number, since it uses as much as digits as its factorization.

89428337 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 89428337 is about 9456.6556985015. The cubic root of 89428337 is about 447.1896240484.

The spelling of 89428337 in words is "eighty-nine million, four hundred twenty-eight thousand, three hundred thirty-seven".