249008412 has 12 divisors (see below), whose sum is σ = 581019656. Its totient is φ = 83002800.

The previous prime is 249008411. The next prime is 249008443. The reversal of 249008412 is 214800942.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 249008412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249008411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10375339 + ... + 10375362.

Almost surely, 2^249008412 is an apocalyptic number.

It is an amenable number.

249008412 is an abundant number, since it is smaller than the sum of its proper divisors (332011244).

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

249008412 is a wasteful number, since it uses less digits than its factorization.

249008412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20750708 (or 20750706 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 249008412 is about 15780.0003802281. Note that the first 3 decimals coincide. The cubic root of 249008412 is about 629.1265396178.

The spelling of 249008412 in words is "two hundred forty-nine million, eight thousand, four hundred twelve".