253763898 has 16 divisors (see below), whose sum is σ = 519331296. Its totient is φ = 82620720.

The previous prime is 253763893. The next prime is 253763911. The reversal of 253763898 is 898367352.

It is a super-2 number, since 2×253763898² = 128792231856308808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253763898.

It is not an unprimeable number, because it can be changed into a prime (253763893) 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, 491533 + ... + 492048.

It is an arithmetic number, because the mean of its divisors is an integer number (32458206).

Almost surely, 2^253763898 is an apocalyptic number.

253763898 is an abundant number, since it is smaller than the sum of its proper divisors (265567398).

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

253763898 is a wasteful number, since it uses less digits than its factorization.

253763898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983629.

The product of its digits is 2177280, while the sum is 51.

The square root of 253763898 is about 15929.9685498748. The cubic root of 253763898 is about 633.1062665843.

The spelling of 253763898 in words is "two hundred fifty-three million, seven hundred sixty-three thousand, eight hundred ninety-eight".