265428998 has 16 divisors (see below), whose sum is σ = 408318624. Its totient is φ = 129330240.

The previous prime is 265428997. The next prime is 265429001. The reversal of 265428998 is 899824562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265428991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117536 + ... + 119772.

It is an arithmetic number, because the mean of its divisors is an integer number (25519914).

Almost surely, 2^265428998 is an apocalyptic number.

265428998 is a deficient number, since it is larger than the sum of its proper divisors (142889626).

265428998 is a wasteful number, since it uses less digits than its factorization.

265428998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727.

The product of its digits is 2488320, while the sum is 53.

The square root of 265428998 is about 16291.9918364821. The cubic root of 265428998 is about 642.6622485368.

The spelling of 265428998 in words is "two hundred sixty-five million, four hundred twenty-eight thousand, nine hundred ninety-eight".