997350098 has 8 divisors (see below), whose sum is σ = 1499872140. Its totient is φ = 497392720.

The previous prime is 997350097. The next prime is 997350113. The reversal of 997350098 is 890053799.

It can be written as a sum of positive squares in 2 ways, for example, as 961434049 + 35916049 = 31007^2 + 5993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (997350097) 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, 640193 + ... + 641748.

Almost surely, 2^997350098 is an apocalyptic number.

997350098 is a deficient number, since it is larger than the sum of its proper divisors (502522042).

997350098 is a wasteful number, since it uses less digits than its factorization.

997350098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282332.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 997350098 is about 31580.8501785497. The cubic root of 997350098 is about 999.1159179626.

The spelling of 997350098 in words is "nine hundred ninety-seven million, three hundred fifty thousand, ninety-eight".