531998496 has 48 divisors (see below), whose sum is σ = 1551664800. Its totient is φ = 177332544.

The previous prime is 531998491. The next prime is 531998497. The reversal of 531998496 is 694899135.

531998496 is a `hidden beast` number, since 53 + 19 + 98 + 496 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (531998491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307006 + ... + 308733.

It is an arithmetic number, because the mean of its divisors is an integer number (32326350).

Almost surely, 2^531998496 is an apocalyptic number.

It is an amenable number.

531998496 is an abundant number, since it is smaller than the sum of its proper divisors (1019666304).

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

531998496 is a wasteful number, since it uses less digits than its factorization.

531998496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615758 (or 615744 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 531998496 is about 23065.0925859837. The cubic root of 531998496 is about 810.2831383279.

The spelling of 531998496 in words is "five hundred thirty-one million, nine hundred ninety-eight thousand, four hundred ninety-six".