98640202 has 16 divisors (see below), whose sum is σ = 153199872. Its totient is φ = 47583360.

The previous prime is 98640193. The next prime is 98640203. The reversal of 98640202 is 20204689.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (98640203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19633 + ... + 24139.

It is an arithmetic number, because the mean of its divisors is an integer number (9574992).

Almost surely, 2^98640202 is an apocalyptic number.

98640202 is a deficient number, since it is larger than the sum of its proper divisors (54559670).

98640202 is a wasteful number, since it uses less digits than its factorization.

98640202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 98640202 is about 9931.7773837315. Note that the first 3 decimals coincide. The cubic root of 98640202 is about 462.0454001098.

The spelling of 98640202 in words is "ninety-eight million, six hundred forty thousand, two hundred two".