265287938 has 8 divisors (see below), whose sum is σ = 398204688. Its totient is φ = 132553044.

The previous prime is 265287877. The next prime is 265287959. The reversal of 265287938 is 839782562.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 41756 + ... + 47687.

It is an arithmetic number, because the mean of its divisors is an integer number (49775586).

Almost surely, 2^265287938 is an apocalyptic number.

265287938 is a deficient number, since it is larger than the sum of its proper divisors (132916750).

265287938 is a wasteful number, since it uses less digits than its factorization.

265287938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90928.

The product of its digits is 1451520, while the sum is 50.

The square root of 265287938 is about 16287.6621404055. The cubic root of 265287938 is about 642.5483825547.

The spelling of 265287938 in words is "two hundred sixty-five million, two hundred eighty-seven thousand, nine hundred thirty-eight".