249740412 has 24 divisors (see below), whose sum is σ = 583140096. Its totient is φ = 83187888.

The previous prime is 249740383. The next prime is 249740437. The reversal of 249740412 is 214047942.

It is a super-3 number, since 3×249740412³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12423 + ... + 25569.

It is an arithmetic number, because the mean of its divisors is an integer number (24297504).

Almost surely, 2^249740412 is an apocalyptic number.

It is an amenable number.

249740412 is an abundant number, since it is smaller than the sum of its proper divisors (333399684).

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

249740412 is a wasteful number, since it uses less digits than its factorization.

249740412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14737 (or 14735 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 249740412 is about 15803.1772754722. The cubic root of 249740412 is about 629.7424091794.

The spelling of 249740412 in words is "two hundred forty-nine million, seven hundred forty thousand, four hundred twelve".