253889000 has 64 divisors (see below), whose sum is σ = 596756160. Its totient is φ = 101102400.

The previous prime is 253888993. The next prime is 253889017. The reversal of 253889000 is 988352.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306587 + ... + 307413.

It is an arithmetic number, because the mean of its divisors is an integer number (9324315).

Almost surely, 2^253889000 is an apocalyptic number.

253889000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253889000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298378080).

253889000 is an abundant number, since it is smaller than the sum of its proper divisors (342867160).

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

253889000 is a wasteful number, since it uses less digits than its factorization.

253889000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 253889000 is about 15933.8946902507. The cubic root of 253889000 is about 633.2102869605.

The spelling of 253889000 in words is "two hundred fifty-three million, eight hundred eighty-nine thousand".