89679393 has 14 divisors (see below), whose sum is σ = 134458674. Its totient is φ = 59785776.

The previous prime is 89679383. The next prime is 89679409. The reversal of 89679393 is 39397698.

It can be written as a sum of positive squares in only one way, i.e., 79869969 + 9809424 = 8937^2 + 3132^2 .

It is not a de Polignac number, because 89679393 - 2¹⁴ = 89663009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89679383) 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 13 ways as a sum of consecutive naturals, for example, 60780 + ... + 62237.

It is an arithmetic number, because the mean of its divisors is an integer number (9604191).

Almost surely, 2^89679393 is an apocalyptic number.

It is an amenable number.

89679393 is a deficient number, since it is larger than the sum of its proper divisors (44779281).

89679393 is an equidigital number, since it uses as much as digits as its factorization.

89679393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123035 (or 123020 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 89679393 is about 9469.9204326119. The cubic root of 89679393 is about 447.6077045875.

The spelling of 89679393 in words is "eighty-nine million, six hundred seventy-nine thousand, three hundred ninety-three".