172849248 has 192 divisors, whose sum is σ = 592704000. Its totient is φ = 48314880.

The previous prime is 172849223. The next prime is 172849249. The reversal of 172849248 is 842948271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172849249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122853 + ... + 124251.

It is an arithmetic number, because the mean of its divisors is an integer number (3087000).

Almost surely, 2^172849248 is an apocalyptic number.

172849248 is a gapful number since it is divisible by the number (18) 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 172849248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296352000).

172849248 is an abundant number, since it is smaller than the sum of its proper divisors (419854752).

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

172849248 is a wasteful number, since it uses less digits than its factorization.

172849248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442 (or 1428 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 172849248 is about 13147.2144578234. The cubic root of 172849248 is about 557.0435691202.

The spelling of 172849248 in words is "one hundred seventy-two million, eight hundred forty-nine thousand, two hundred forty-eight".