252831744 has 288 divisors, whose sum is σ = 843242400. Its totient is φ = 72253440.

The previous prime is 252831739. The next prime is 252831757. The reversal of 252831744 is 447138252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a junction number, because it is equal to n+sod(n) for n = 252831699 and 252831708.

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, 5879787 + ... + 5879829.

It is an arithmetic number, because the mean of its divisors is an integer number (2927925).

Almost surely, 2^252831744 is an apocalyptic number.

252831744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252831744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421621200).

252831744 is an abundant number, since it is smaller than the sum of its proper divisors (590410656).

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

252831744 is a wasteful number, since it uses less digits than its factorization.

252831744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 88 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 252831744 is about 15900.6837588828. The cubic root of 252831744 is about 632.3301164876.

Adding to 252831744 its reverse (447138252), we get a palindrome (699969996).

The spelling of 252831744 in words is "two hundred fifty-two million, eight hundred thirty-one thousand, seven hundred forty-four".