275263998 has 32 divisors (see below), whose sum is σ = 575078400. Its totient is φ = 87724896.

The previous prime is 275263993. The next prime is 275264009. The reversal of 275263998 is 899362572.

It is a self number, because there is not a number n which added to its sum of digits gives 275263998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275263993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10243 + ... + 25601.

It is an arithmetic number, because the mean of its divisors is an integer number (17971200).

Almost surely, 2^275263998 is an apocalyptic number.

275263998 is an abundant number, since it is smaller than the sum of its proper divisors (299814402).

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

275263998 is a wasteful number, since it uses less digits than its factorization.

275263998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15496.

The product of its digits is 1632960, while the sum is 51.

The square root of 275263998 is about 16591.0818815411. The cubic root of 275263998 is about 650.5037499269.

The spelling of 275263998 in words is "two hundred seventy-five million, two hundred sixty-three thousand, nine hundred ninety-eight".