249309016 has 48 divisors (see below), whose sum is σ = 519573240. Its totient is φ = 111202560.

The previous prime is 249309007. The next prime is 249309017. The reversal of 249309016 is 610903942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249309017) 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, 1265430 + ... + 1265626.

Almost surely, 2^249309016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249309016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259786620).

249309016 is an abundant number, since it is smaller than the sum of its proper divisors (270264224).

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

249309016 is a wasteful number, since it uses less digits than its factorization.

249309016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 249309016 is about 15789.5223486969. The cubic root of 249309016 is about 629.3795992132.

The spelling of 249309016 in words is "two hundred forty-nine million, three hundred nine thousand, sixteen".