998240570 has 16 divisors (see below), whose sum is σ = 1814625288. Its totient is φ = 395342400.

The previous prime is 998240569. The next prime is 998240611. The reversal of 998240570 is 75042899.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 978250729 + 19989841 = 31277^2 + 4471^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493169 + ... + 495188.

Almost surely, 2^998240570 is an apocalyptic number.

998240570 is a deficient number, since it is larger than the sum of its proper divisors (816384718).

998240570 is a wasteful number, since it uses less digits than its factorization.

998240570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988465.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 998240570 is about 31594.9453235798. The cubic root of 998240570 is about 999.4131790419.

The spelling of 998240570 in words is "nine hundred ninety-eight million, two hundred forty thousand, five hundred seventy".