249388092 has 48 divisors (see below), whose sum is σ = 648093600. Its totient is φ = 82932480.

The previous prime is 249388039. The next prime is 249388109. The reversal of 249388092 is 290883942.

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 15 ways as a sum of consecutive naturals, for example, 47284 + ... + 52292.

It is an arithmetic number, because the mean of its divisors is an integer number (13501950).

Almost surely, 2^249388092 is an apocalyptic number.

It is an amenable number.

249388092 is an abundant number, since it is smaller than the sum of its proper divisors (398705508).

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

249388092 is a wasteful number, since it uses less digits than its factorization.

249388092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5483 (or 5475 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 249388092 is about 15792.0262157837. The cubic root of 249388092 is about 629.4461345262.

The spelling of 249388092 in words is "two hundred forty-nine million, three hundred eighty-eight thousand, ninety-two".