249477330 has 32 divisors (see below), whose sum is σ = 604566144. Its totient is φ = 65880576.

The previous prime is 249477301. The next prime is 249477331. The reversal of 249477330 is 33774942.

249477330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (249477331) 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, 37279 + ... + 43458.

It is an arithmetic number, because the mean of its divisors is an integer number (18892692).

Almost surely, 2^249477330 is an apocalyptic number.

249477330 is an abundant number, since it is smaller than the sum of its proper divisors (355088814).

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

249477330 is a wasteful number, since it uses less digits than its factorization.

249477330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80850.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 249477330 is about 15794.8513763188. The cubic root of 249477330 is about 629.5212033547.

The spelling of 249477330 in words is "two hundred forty-nine million, four hundred seventy-seven thousand, three hundred thirty".