265928538 has 16 divisors (see below), whose sum is σ = 543173760. Its totient is φ = 86756736.

The previous prime is 265928519. The next prime is 265928557. The reversal of 265928538 is 835829562.

It is an interprime number because it is at equal distance from previous prime (265928519) and next prime (265928557).

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, 471223 + ... + 471786.

It is an arithmetic number, because the mean of its divisors is an integer number (33948360).

Almost surely, 2^265928538 is an apocalyptic number.

265928538 is an abundant number, since it is smaller than the sum of its proper divisors (277245222).

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

265928538 is a wasteful number, since it uses less digits than its factorization.

265928538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943061.

The product of its digits is 1036800, while the sum is 48.

The square root of 265928538 is about 16307.3154749640. The cubic root of 265928538 is about 643.0651614501.

The spelling of 265928538 in words is "two hundred sixty-five million, nine hundred twenty-eight thousand, five hundred thirty-eight".