249665334 has 32 divisors (see below), whose sum is σ = 507499776. Its totient is φ = 81871200.

The previous prime is 249665333. The next prime is 249665341. The reversal of 249665334 is 433566942.

249665334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249665333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99969 + ... + 102435.

It is an arithmetic number, because the mean of its divisors is an integer number (15859368).

Almost surely, 2^249665334 is an apocalyptic number.

249665334 is an abundant number, since it is smaller than the sum of its proper divisors (257834442).

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

249665334 is a wasteful number, since it uses less digits than its factorization.

249665334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its digits is 466560, while the sum is 42.

The square root of 249665334 is about 15800.8016885220. The cubic root of 249665334 is about 629.6792975950.

The spelling of 249665334 in words is "two hundred forty-nine million, six hundred sixty-five thousand, three hundred thirty-four".