531868476 has 12 divisors (see below), whose sum is σ = 1241026472. Its totient is φ = 177289488.

The previous prime is 531868471. The next prime is 531868481. The reversal of 531868476 is 674868135.

It is an interprime number because it is at equal distance from previous prime (531868471) and next prime (531868481).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531868471) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22161175 + ... + 22161198.

Almost surely, 2^531868476 is an apocalyptic number.

It is an amenable number.

531868476 is an abundant number, since it is smaller than the sum of its proper divisors (709157996).

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

531868476 is a wasteful number, since it uses less digits than its factorization.

531868476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44322380 (or 44322378 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 531868476 is about 23062.2738688101. The cubic root of 531868476 is about 810.2171221027.

The spelling of 531868476 in words is "five hundred thirty-one million, eight hundred sixty-eight thousand, four hundred seventy-six".