531424998 has 96 divisors (see below), whose sum is σ = 1326701376. Its totient is φ = 152285184.

The previous prime is 531424987. The next prime is 531425071. The reversal of 531424998 is 899424135.

531424998 is a `hidden beast` number, since 5 + 314 + 249 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 409086 + ... + 410382.

It is an arithmetic number, because the mean of its divisors is an integer number (13819806).

Almost surely, 2^531424998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531424998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663350688).

531424998 is an abundant number, since it is smaller than the sum of its proper divisors (795276378).

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

531424998 is a wasteful number, since it uses less digits than its factorization.

531424998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1435 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 531424998 is about 23052.6570702815. The cubic root of 531424998 is about 809.9918700601.

The spelling of 531424998 in words is "five hundred thirty-one million, four hundred twenty-four thousand, nine hundred ninety-eight".