263274828 has 24 divisors (see below), whose sum is σ = 617225280. Its totient is φ = 87341520.

The previous prime is 263274821. The next prime is 263274833. The reversal of 263274828 is 828472362.

It is a self number, because there is not a number n which added to its sum of digits gives 263274828.

It is not an unprimeable number, because it can be changed into a prime (263274821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49458 + ... + 54521.

It is an arithmetic number, because the mean of its divisors is an integer number (25717720).

Almost surely, 2^263274828 is an apocalyptic number.

It is an amenable number.

263274828 is an abundant number, since it is smaller than the sum of its proper divisors (353950452).

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

263274828 is a wasteful number, since it uses less digits than its factorization.

263274828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104197 (or 104195 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 263274828 is about 16225.7458380193. The cubic root of 263274828 is about 640.9189500676.

The spelling of 263274828 in words is "two hundred sixty-three million, two hundred seventy-four thousand, eight hundred twenty-eight".