253799828 has 48 divisors (see below), whose sum is σ = 467026560. Its totient is φ = 120591744.

The previous prime is 253799813. The next prime is 253799831. The reversal of 253799828 is 828997352.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 253799828.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1288226 + ... + 1288422.

It is an arithmetic number, because the mean of its divisors is an integer number (9729720).

Almost surely, 2^253799828 is an apocalyptic number.

It is an amenable number.

253799828 is a deficient number, since it is larger than the sum of its proper divisors (213226732).

253799828 is a wasteful number, since it uses less digits than its factorization.

253799828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 253799828 is about 15931.0962585756. The cubic root of 253799828 is about 633.1361453217.

The spelling of 253799828 in words is "two hundred fifty-three million, seven hundred ninety-nine thousand, eight hundred twenty-eight".