531380998 has 8 divisors (see below), whose sum is σ = 804963600. Its totient is φ = 263059800.

The previous prime is 531380981. The next prime is 531381041. The reversal of 531380998 is 899083135.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315098 + ... + 1315501.

It is an arithmetic number, because the mean of its divisors is an integer number (100620450).

Almost surely, 2^531380998 is an apocalyptic number.

531380998 is a deficient number, since it is larger than the sum of its proper divisors (273582602).

531380998 is a wasteful number, since it uses less digits than its factorization.

531380998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630702.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 531380998 is about 23051.7027136826. The cubic root of 531380998 is about 809.9695146785.

The spelling of 531380998 in words is "five hundred thirty-one million, three hundred eighty thousand, nine hundred ninety-eight".