98428237 has 4 divisors (see below), whose sum is σ = 99402876. Its totient is φ = 97453600.

The previous prime is 98428229. The next prime is 98428241. The reversal of 98428237 is 73282489.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60124516 + 38303721 = 7754^2 + 6189^2 .

It is a cyclic number.

It is not a de Polignac number, because 98428237 - 2³ = 98428229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98428193 and 98428202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98428207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487168 + ... + 487369.

It is an arithmetic number, because the mean of its divisors is an integer number (24850719).

Almost surely, 2^98428237 is an apocalyptic number.

It is an amenable number.

98428237 is a deficient number, since it is larger than the sum of its proper divisors (974639).

98428237 is a wasteful number, since it uses less digits than its factorization.

98428237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974638.

The product of its digits is 193536, while the sum is 43.

The square root of 98428237 is about 9921.1005941881. The cubic root of 98428237 is about 461.7142042190.

The spelling of 98428237 in words is "ninety-eight million, four hundred twenty-eight thousand, two hundred thirty-seven".