229509486 has 48 divisors (see below), whose sum is σ = 529308000. Its totient is φ = 71622144.

The previous prime is 229509473. The next prime is 229509487. The reversal of 229509486 is 684905922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229509487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59010 + ... + 62778.

It is an arithmetic number, because the mean of its divisors is an integer number (11027250).

Almost surely, 2^229509486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229509486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264654000).

229509486 is an abundant number, since it is smaller than the sum of its proper divisors (299798514).

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

229509486 is a wasteful number, since it uses less digits than its factorization.

229509486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993 (or 3990 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 229509486 is about 15149.5704889611. The cubic root of 229509486 is about 612.2567005919.

The spelling of 229509486 in words is "two hundred twenty-nine million, five hundred nine thousand, four hundred eighty-six".