998072810 has 32 divisors (see below), whose sum is σ = 2142450432. Its totient is φ = 327317760.

The previous prime is 998072783. The next prime is 998072813. The reversal of 998072810 is 18270899.

It is a super-2 number, since 2×998072810² = 1992298668122592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (998072813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308351 + ... + 311570.

It is an arithmetic number, because the mean of its divisors is an integer number (66951576).

Almost surely, 2^998072810 is an apocalyptic number.

998072810 is an abundant number, since it is smaller than the sum of its proper divisors (1144377622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998072810 is a wasteful number, since it uses less digits than its factorization.

998072810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619958.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 998072810 is about 31592.2903569842. The cubic root of 998072810 is about 999.3571902175.

The spelling of 998072810 in words is "nine hundred ninety-eight million, seventy-two thousand, eight hundred ten".