98467921 has 2 divisors, whose sum is σ = 98467922. Its totient is φ = 98467920.

The previous prime is 98467879. The next prime is 98467931. The reversal of 98467921 is 12976489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 30636225 = 8236^2 + 5535^2 .

It is an emirp because it is prime and its reverse (12976489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98467921 - 2¹⁵ = 98435153 is a prime.

It is not a weakly prime, because it can be changed into another prime (98467931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49233960 + 49233961.

It is an arithmetic number, because the mean of its divisors is an integer number (49233961).

Almost surely, 2^98467921 is an apocalyptic number.

It is an amenable number.

98467921 is a deficient number, since it is larger than the sum of its proper divisors (1).

98467921 is an equidigital number, since it uses as much as digits as its factorization.

98467921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 98467921 is about 9923.1003723635. The cubic root of 98467921 is about 461.7762467289.

The spelling of 98467921 in words is "ninety-eight million, four hundred sixty-seven thousand, nine hundred twenty-one".