178048949 has 16 divisors (see below), whose sum is σ = 195487488. Its totient is φ = 161168832.

The previous prime is 178048933. The next prime is 178048967. The reversal of 178048949 is 949840871.

It is a cyclic number.

It is not a de Polignac number, because 178048949 - 2⁴ = 178048933 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 178048897 and 178048906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (178048979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319379 + ... + 319935.

It is an arithmetic number, because the mean of its divisors is an integer number (12217968).

Almost surely, 2^178048949 is an apocalyptic number.

It is an amenable number.

178048949 is a deficient number, since it is larger than the sum of its proper divisors (17438539).

178048949 is a wasteful number, since it uses less digits than its factorization.

178048949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 178048949 is about 13343.4983793606. The cubic root of 178048949 is about 562.5741916296.

The spelling of 178048949 in words is "one hundred seventy-eight million, forty-eight thousand, nine hundred forty-nine".