531898998 has 8 divisors (see below), whose sum is σ = 1063798008. Its totient is φ = 177299664.

The previous prime is 531898993. The next prime is 531899003. The reversal of 531898998 is 899898135.

It is an interprime number because it is at equal distance from previous prime (531898993) and next prime (531899003).

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

531898998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531898993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44324911 + ... + 44324922.

It is an arithmetic number, because the mean of its divisors is an integer number (132974751).

Almost surely, 2^531898998 is an apocalyptic number.

531898998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

531898998 is a wasteful number, since it uses less digits than its factorization.

531898998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88649838.

The product of its digits is 5598720, while the sum is 60.

The square root of 531898998 is about 23062.9355893824. The cubic root of 531898998 is about 810.2326202788.

The spelling of 531898998 in words is "five hundred thirty-one million, eight hundred ninety-eight thousand, nine hundred ninety-eight".