998531030 has 16 divisors (see below), whose sum is σ = 2054121120. Its totient is φ = 342353472.

The previous prime is 998531029. The next prime is 998531041. The reversal of 998531030 is 30135899.

It is a congruent number.

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, 7132295 + ... + 7132434.

It is an arithmetic number, because the mean of its divisors is an integer number (128382570).

Almost surely, 2^998531030 is an apocalyptic number.

998531030 is an abundant number, since it is smaller than the sum of its proper divisors (1055590090).

998531030 is a wasteful number, since it uses less digits than its factorization.

998531030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264743.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 998531030 is about 31599.5416105994. The cubic root of 998531030 is about 999.5101033738.

The spelling of 998531030 in words is "nine hundred ninety-eight million, five hundred thirty-one thousand, thirty".