89304641 has 2 divisors, whose sum is σ = 89304642. Its totient is φ = 89304640.

The previous prime is 89304637. The next prime is 89304667. The reversal of 89304641 is 14640398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81993025 + 7311616 = 9055^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 89304641 - 2² = 89304637 is a prime.

It is a Chen prime.

It is equal to p_5179247 and since 89304641 and 5179247 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (89304041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44652320 + 44652321.

It is an arithmetic number, because the mean of its divisors is an integer number (44652321).

Almost surely, 2^89304641 is an apocalyptic number.

It is an amenable number.

89304641 is a deficient number, since it is larger than the sum of its proper divisors (1).

89304641 is an equidigital number, since it uses as much as digits as its factorization.

89304641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 89304641 is about 9450.1132797443. The cubic root of 89304641 is about 446.9833468097.

The spelling of 89304641 in words is "eighty-nine million, three hundred four thousand, six hundred forty-one".