172044236 has 48 divisors (see below), whose sum is σ = 376884480. Its totient is φ = 66899520.

The previous prime is 172044227. The next prime is 172044251. The reversal of 172044236 is 632440271.

It is a junction number, because it is equal to n+sod(n) for n = 172044199 and 172044208.

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 15 ways as a sum of consecutive naturals, for example, 17471 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (7851760).

Almost surely, 2^172044236 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 172044236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188442240).

172044236 is an abundant number, since it is smaller than the sum of its proper divisors (204840244).

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

172044236 is a wasteful number, since it uses less digits than its factorization.

172044236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094 (or 8092 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 172044236 is about 13116.5634218724. The cubic root of 172044236 is about 556.1774488384.

It can be divided in two parts, 172044 and 236, that multiplied together give a square (40602384 = 6372²).

The spelling of 172044236 in words is "one hundred seventy-two million, forty-four thousand, two hundred thirty-six".