98973890 has 16 divisors (see below), whose sum is σ = 182968632. Its totient is φ = 38519424.

The previous prime is 98973871. The next prime is 98973893. The reversal of 98973890 is 9837989.

It can be written as a sum of positive squares in 4 ways, for example, as 97792321 + 1181569 = 9889^2 + 1087^2 .

It is not an unprimeable number, because it can be changed into a prime (98973893) 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 7 ways as a sum of consecutive naturals, for example, 133379 + ... + 134118.

Almost surely, 2^98973890 is an apocalyptic number.

98973890 is a deficient number, since it is larger than the sum of its proper divisors (83994742).

98973890 is a wasteful number, since it uses less digits than its factorization.

98973890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267541.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 98973890 is about 9948.5622076760. The cubic root of 98973890 is about 462.5658284679.

The spelling of 98973890 in words is "ninety-eight million, nine hundred seventy-three thousand, eight hundred ninety".