998074297 has 8 divisors (see below), whose sum is σ = 1118236032. Its totient is φ = 882817200.

The previous prime is 998074289. The next prime is 998074303. The reversal of 998074297 is 792470899.

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

It is a cyclic number.

It is not a de Polignac number, because 998074297 - 2³ = 998074289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998071297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225729 + ... + 1226542.

It is an arithmetic number, because the mean of its divisors is an integer number (139779504).

Almost surely, 2^998074297 is an apocalyptic number.

It is an amenable number.

998074297 is a deficient number, since it is larger than the sum of its proper divisors (120161735).

998074297 is a wasteful number, since it uses less digits than its factorization.

998074297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452319.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 998074297 is about 31592.3138911983. The cubic root of 998074297 is about 999.3576865217.

The spelling of 998074297 in words is "nine hundred ninety-eight million, seventy-four thousand, two hundred ninety-seven".