531843480 has 96 divisors (see below), whose sum is σ = 1975428000. Its totient is φ = 121563648.

The previous prime is 531843449. The next prime is 531843503. The reversal of 531843480 is 84348135.

531843480 is a `hidden beast` number, since 531 + 8 + 43 + 4 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103005 + ... + 108044.

It is an arithmetic number, because the mean of its divisors is an integer number (20577375).

Almost surely, 2^531843480 is an apocalyptic number.

It is an amenable number.

531843480 is an abundant number, since it is smaller than the sum of its proper divisors (1443584520).

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

531843480 is a wasteful number, since it uses less digits than its factorization.

531843480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211073 (or 211066 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 531843480 is about 23061.7319384299. The cubic root of 531843480 is about 810.2044294256.

The spelling of 531843480 in words is "five hundred thirty-one million, eight hundred forty-three thousand, four hundred eighty".