249033928 has 32 divisors (see below), whose sum is σ = 548573760. Its totient is φ = 104489280.

The previous prime is 249033923. The next prime is 249033971. The reversal of 249033928 is 829330942.

It is a super-3 number, since 3×249033928³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (249033923) by changing a digit.

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, 107700 + ... + 109987.

It is an arithmetic number, because the mean of its divisors is an integer number (17142930).

Almost surely, 2^249033928 is an apocalyptic number.

It is an amenable number.

249033928 is an abundant number, since it is smaller than the sum of its proper divisors (299539832).

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

249033928 is a wasteful number, since it uses less digits than its factorization.

249033928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217717 (or 217713 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 249033928 is about 15780.8088512598. The cubic root of 249033928 is about 629.1480278404.

The spelling of 249033928 in words is "two hundred forty-nine million, thirty-three thousand, nine hundred twenty-eight".