5731236 has 135 divisors (see below), whose sum is σ = 18394299. Its totient is φ = 1551312.

The previous prime is 5731207. The next prime is 5731259. The reversal of 5731236 is 6321375.

It is a happy number.

The square root of 5731236 is 2394.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 44 ways as a sum of consecutive naturals, for example, 301635 + ... + 301653.

Almost surely, 2^5731236 is an apocalyptic number.

5731236 is the 2394-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5731236

5731236 is an abundant number, since it is smaller than the sum of its proper divisors (12663063).

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

5731236 is a wasteful number, since it uses less digits than its factorization.

5731236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 31 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The cubic root of 5731236 is about 178.9573049239.

The spelling of 5731236 in words is "five million, seven hundred thirty-one thousand, two hundred thirty-six".