493231844 has 54 divisors (see below), whose sum is σ = 1028728134. Its totient is φ = 206317440.

The previous prime is 493231841. The next prime is 493231847. The reversal of 493231844 is 448132394.

It is an interprime number because it is at equal distance from previous prime (493231841) and next prime (493231847).

It can be written as a sum of positive squares in only one way, i.e., 348270244 + 144961600 = 18662^2 + 12040^2 .

It is a junction number, because it is equal to n+sod(n) for n = 493231798 and 493231807.

It is not an unprimeable number, because it can be changed into a prime (493231841) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 361724 + ... + 363084.

It is an arithmetic number, because the mean of its divisors is an integer number (19050521).

Almost surely, 2^493231844 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 493231844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514364067).

493231844 is an abundant number, since it is smaller than the sum of its proper divisors (535496290).

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

493231844 is a wasteful number, since it uses less digits than its factorization.

493231844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1413 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 493231844 is about 22208.8235618188. The cubic root of 493231844 is about 790.1029850253.

The spelling of 493231844 in words is "four hundred ninety-three million, two hundred thirty-one thousand, eight hundred forty-four".