173949648 has 20 divisors (see below), whose sum is σ = 449370048. Its totient is φ = 57983200.

The previous prime is 173949623. The next prime is 173949653. The reversal of 173949648 is 846949371.

It is a self number, because there is not a number n which added to its sum of digits gives 173949648.

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, 1811928 + ... + 1812023.

Almost surely, 2^173949648 is an apocalyptic number.

It is an amenable number.

173949648 is an abundant number, since it is smaller than the sum of its proper divisors (275420400).

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

173949648 is a wasteful number, since it uses less digits than its factorization.

173949648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623962 (or 3623956 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 173949648 is about 13188.9972325420. The cubic root of 173949648 is about 558.2231606978.

The spelling of 173949648 in words is "one hundred seventy-three million, nine hundred forty-nine thousand, six hundred forty-eight".