89602949 has 2 divisors, whose sum is σ = 89602950. Its totient is φ = 89602948.

The previous prime is 89602943. The next prime is 89602951. The reversal of 89602949 is 94920698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89434849 + 168100 = 9457^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 89602949 - 2¹² = 89598853 is a prime.

It is a Sophie Germain prime.

Together with 89602951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89602943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44801474 + 44801475.

It is an arithmetic number, because the mean of its divisors is an integer number (44801475).

Almost surely, 2^89602949 is an apocalyptic number.

It is an amenable number.

89602949 is a deficient number, since it is larger than the sum of its proper divisors (1).

89602949 is an equidigital number, since it uses as much as digits as its factorization.

89602949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 89602949 is about 9465.8834241712. The cubic root of 89602949 is about 447.4804860253.

The spelling of 89602949 in words is "eighty-nine million, six hundred two thousand, nine hundred forty-nine".