89393929 has 2 divisors, whose sum is σ = 89393930. Its totient is φ = 89393928.

The previous prime is 89393897. The next prime is 89393971. The reversal of 89393929 is 92939398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47817225 + 41576704 = 6915^2 + 6448^2 .

It is a cyclic number.

It is not a de Polignac number, because 89393929 - 2⁵ = 89393897 is a prime.

It is not a weakly prime, because it can be changed into another prime (89393999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44696964 + 44696965.

It is an arithmetic number, because the mean of its divisors is an integer number (44696965).

Almost surely, 2^89393929 is an apocalyptic number.

It is an amenable number.

89393929 is a deficient number, since it is larger than the sum of its proper divisors (1).

89393929 is an equidigital number, since it uses as much as digits as its factorization.

89393929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 944784, while the sum is 52.

The square root of 89393929 is about 9454.8362756845. The cubic root of 89393929 is about 447.1322638763.

The spelling of 89393929 in words is "eighty-nine million, three hundred ninety-three thousand, nine hundred twenty-nine".