98909137 has 2 divisors, whose sum is σ = 98909138. Its totient is φ = 98909136.

The previous prime is 98909101. The next prime is 98909141. The reversal of 98909137 is 73190989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95238081 + 3671056 = 9759^2 + 1916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98909137 is a prime.

It is not a weakly prime, because it can be changed into another prime (98909147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49454568 + 49454569.

It is an arithmetic number, because the mean of its divisors is an integer number (49454569).

Almost surely, 2^98909137 is an apocalyptic number.

It is an amenable number.

98909137 is a deficient number, since it is larger than the sum of its proper divisors (1).

98909137 is an equidigital number, since it uses as much as digits as its factorization.

98909137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 98909137 is about 9945.3072853482. The cubic root of 98909137 is about 462.4649296027.

The spelling of 98909137 in words is "ninety-eight million, nine hundred nine thousand, one hundred thirty-seven".