249928338 has 32 divisors (see below), whose sum is σ = 550711872. Its totient is φ = 74984000.

The previous prime is 249928321. The next prime is 249928361. The reversal of 249928338 is 833829942.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12081 + ... + 25412.

It is an arithmetic number, because the mean of its divisors is an integer number (17209746).

Almost surely, 2^249928338 is an apocalyptic number.

249928338 is an abundant number, since it is smaller than the sum of its proper divisors (300783534).

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

249928338 is a wasteful number, since it uses less digits than its factorization.

249928338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37610.

The product of its digits is 746496, while the sum is 48.

The square root of 249928338 is about 15809.1219870048. The cubic root of 249928338 is about 629.9003268870.

The spelling of 249928338 in words is "two hundred forty-nine million, nine hundred twenty-eight thousand, three hundred thirty-eight".