98642761 has 24 divisors (see below), whose sum is σ = 118101312. Its totient is φ = 80688000.

The previous prime is 98642759. The next prime is 98642767. The reversal of 98642761 is 16724689.

It is not a de Polignac number, because 98642761 - 2¹ = 98642759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98642767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 976611 + ... + 976711.

It is an arithmetic number, because the mean of its divisors is an integer number (4920888).

Almost surely, 2^98642761 is an apocalyptic number.

It is an amenable number.

98642761 is a deficient number, since it is larger than the sum of its proper divisors (19458551).

98642761 is a wasteful number, since it uses less digits than its factorization.

98642761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 232 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 98642761 is about 9931.9062118004. The cubic root of 98642761 is about 462.0493956543.

The spelling of 98642761 in words is "ninety-eight million, six hundred forty-two thousand, seven hundred sixty-one".