265716398 has 4 divisors (see below), whose sum is σ = 398574600. Its totient is φ = 132858198.

The previous prime is 265716391. The next prime is 265716403. The reversal of 265716398 is 893617562.

265716398 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265716391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66429098 + ... + 66429101.

It is an arithmetic number, because the mean of its divisors is an integer number (99643650).

Almost surely, 2^265716398 is an apocalyptic number.

265716398 is a deficient number, since it is larger than the sum of its proper divisors (132858202).

265716398 is a wasteful number, since it uses less digits than its factorization.

265716398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132858201.

The product of its digits is 544320, while the sum is 47.

The square root of 265716398 is about 16300.8097344887. The cubic root of 265716398 is about 642.8941178357.

The spelling of 265716398 in words is "two hundred sixty-five million, seven hundred sixteen thousand, three hundred ninety-eight".