249989714 has 16 divisors (see below), whose sum is σ = 421388352. Its totient is φ = 110363088.

The previous prime is 249989713. The next prime is 249989717. The reversal of 249989714 is 417989942.

249989714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (249989713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208424 + ... + 209619.

It is an arithmetic number, because the mean of its divisors is an integer number (26336772).

Almost surely, 2^249989714 is an apocalyptic number.

249989714 is a deficient number, since it is larger than the sum of its proper divisors (171398638).

249989714 is a wasteful number, since it uses less digits than its factorization.

249989714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418081.

The product of its digits is 1306368, while the sum is 53.

The square root of 249989714 is about 15811.0630256160. The cubic root of 249989714 is about 629.9518851303.

The spelling of 249989714 in words is "two hundred forty-nine million, nine hundred eighty-nine thousand, seven hundred fourteen".