89972329 has 2 divisors, whose sum is σ = 89972330. Its totient is φ = 89972328.

The previous prime is 89972321. The next prime is 89972339. The reversal of 89972329 is 92327998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89340304 + 632025 = 9452^2 + 795^2 .

It is a cyclic number.

It is not a de Polignac number, because 89972329 - 2³ = 89972321 is a prime.

It is not a weakly prime, because it can be changed into another prime (89972321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44986164 + 44986165.

It is an arithmetic number, because the mean of its divisors is an integer number (44986165).

Almost surely, 2^89972329 is an apocalyptic number.

It is an amenable number.

89972329 is a deficient number, since it is larger than the sum of its proper divisors (1).

89972329 is an equidigital number, since it uses as much as digits as its factorization.

89972329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 89972329 is about 9485.3744786382. The cubic root of 89972329 is about 448.0945421885.

The spelling of 89972329 in words is "eighty-nine million, nine hundred seventy-two thousand, three hundred twenty-nine".