173921104 has 20 divisors (see below), whose sum is σ = 385111264. Its totient is φ = 74537568.

The previous prime is 173921029. The next prime is 173921123. The reversal of 173921104 is 401129371.

173921104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776322 + ... + 776545.

Almost surely, 2^173921104 is an apocalyptic number.

173921104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

173921104 is an abundant number, since it is smaller than the sum of its proper divisors (211190160).

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

173921104 is a wasteful number, since it uses less digits than its factorization.

173921104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552882 (or 1552876 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 173921104 is about 13187.9150740365. The cubic root of 173921104 is about 558.1926254371.

It can be divided in two parts, 17392 and 1104, that added together give a square (18496 = 136²).

The spelling of 173921104 in words is "one hundred seventy-three million, nine hundred twenty-one thousand, one hundred four".