531938004 has 48 divisors (see below), whose sum is σ = 1344120960. Its totient is φ = 162760320.

The previous prime is 531937999. The next prime is 531938027. The reversal of 531938004 is 400839135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18817 + ... + 37655.

It is an arithmetic number, because the mean of its divisors is an integer number (28002520).

Almost surely, 2^531938004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531938004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672060480).

531938004 is an abundant number, since it is smaller than the sum of its proper divisors (812182956).

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

531938004 is a wasteful number, since it uses less digits than its factorization.

531938004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19040 (or 19038 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 531938004 is about 23063.7812164441. The cubic root of 531938004 is about 810.2524255183.

The spelling of 531938004 in words is "five hundred thirty-one million, nine hundred thirty-eight thousand, four".