98428633 has 2 divisors, whose sum is σ = 98428634. Its totient is φ = 98428632.

The previous prime is 98428613. The next prime is 98428643. The reversal of 98428633 is 33682489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87853129 + 10575504 = 9373^2 + 3252^2 .

It is an emirp because it is prime and its reverse (33682489) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98428633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98428633.

It is not a weakly prime, because it can be changed into another prime (98428613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49214316 + 49214317.

It is an arithmetic number, because the mean of its divisors is an integer number (49214317).

Almost surely, 2^98428633 is an apocalyptic number.

It is an amenable number.

98428633 is a deficient number, since it is larger than the sum of its proper divisors (1).

98428633 is an equidigital number, since it uses as much as digits as its factorization.

98428633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 43.

The square root of 98428633 is about 9921.1205516313. The cubic root of 98428633 is about 461.7148234132.

The spelling of 98428633 in words is "ninety-eight million, four hundred twenty-eight thousand, six hundred thirty-three".