249965338 has 16 divisors (see below), whose sum is σ = 442335744. Its totient is φ = 103672080.

The previous prime is 249965279. The next prime is 249965341. The reversal of 249965338 is 833569942.

It is a junction number, because it is equal to n+sod(n) for n = 249965291 and 249965300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287545 + ... + 288412.

It is an arithmetic number, because the mean of its divisors is an integer number (27645984).

Almost surely, 2^249965338 is an apocalyptic number.

249965338 is a deficient number, since it is larger than the sum of its proper divisors (192370406).

249965338 is a wasteful number, since it uses less digits than its factorization.

249965338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575997.

The product of its digits is 1399680, while the sum is 49.

The square root of 249965338 is about 15810.2921541634. The cubic root of 249965338 is about 629.9314093462.

The spelling of 249965338 in words is "two hundred forty-nine million, nine hundred sixty-five thousand, three hundred thirty-eight".