98218772 has 6 divisors (see below), whose sum is σ = 171882858. Its totient is φ = 49109384.

The previous prime is 98218759. The next prime is 98218777. The reversal of 98218772 is 27781289.

It can be written as a sum of positive squares in only one way, i.e., 94400656 + 3818116 = 9716^2 + 1954^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98218777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12277343 + ... + 12277350.

It is an arithmetic number, because the mean of its divisors is an integer number (28647143).

Almost surely, 2^98218772 is an apocalyptic number.

It is an amenable number.

98218772 is a deficient number, since it is larger than the sum of its proper divisors (73664086).

98218772 is a wasteful number, since it uses less digits than its factorization.

98218772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24554697 (or 24554695 counting only the distinct ones).

The product of its digits is 112896, while the sum is 44.

The square root of 98218772 is about 9910.5384313871. The cubic root of 98218772 is about 461.3864471482.

The spelling of 98218772 in words is "ninety-eight million, two hundred eighteen thousand, seven hundred seventy-two".