253889898 has 8 divisors (see below), whose sum is σ = 507779808. Its totient is φ = 84629964.

The previous prime is 253889897. The next prime is 253889899. The reversal of 253889898 is 898988352.

It is an interprime number because it is at equal distance from previous prime (253889897) and next prime (253889899).

It is a sphenic number, since it is the product of 3 distinct primes.

253889898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (253889897) 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 3 ways as a sum of consecutive naturals, for example, 21157486 + ... + 21157497.

It is an arithmetic number, because the mean of its divisors is an integer number (63472476).

Almost surely, 2^253889898 is an apocalyptic number.

253889898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253889898 is a wasteful number, since it uses less digits than its factorization.

253889898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42314988.

The product of its digits is 9953280, while the sum is 60.

The square root of 253889898 is about 15933.9228691493. The cubic root of 253889898 is about 633.2110335101.

The spelling of 253889898 in words is "two hundred fifty-three million, eight hundred eighty-nine thousand, eight hundred ninety-eight".