531628348 has 24 divisors (see below), whose sum is σ = 1004280480. Its totient is φ = 245488320.

The previous prime is 531628289. The next prime is 531628387. The reversal of 531628348 is 843826135.

It is a self number, because there is not a number n which added to its sum of digits gives 531628348.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96963 + ... + 102298.

It is an arithmetic number, because the mean of its divisors is an integer number (41845020).

Almost surely, 2^531628348 is an apocalyptic number.

531628348 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

531628348 is a deficient number, since it is larger than the sum of its proper divisors (472652132).

531628348 is a wasteful number, since it uses less digits than its factorization.

531628348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199317 (or 199315 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 531628348 is about 23057.0672029207. The cubic root of 531628348 is about 810.0951714623.

The spelling of 531628348 in words is "five hundred thirty-one million, six hundred twenty-eight thousand, three hundred forty-eight".