173928312 has 48 divisors (see below), whose sum is σ = 487305000. Its totient is φ = 55976256.

The previous prime is 173928301. The next prime is 173928317. The reversal of 173928312 is 213829371.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173928317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39562 + ... + 43737.

Almost surely, 2^173928312 is an apocalyptic number.

173928312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

173928312 is an abundant number, since it is smaller than the sum of its proper divisors (313376688).

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

173928312 is a wasteful number, since it uses less digits than its factorization.

173928312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83340 (or 83333 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 173928312 is about 13188.1883517032. The cubic root of 173928312 is about 558.2003365904.

The spelling of 173928312 in words is "one hundred seventy-three million, nine hundred twenty-eight thousand, three hundred twelve".