239081064 has 64 divisors (see below), whose sum is σ = 634962240. Its totient is φ = 74757120.

The previous prime is 239081053. The next prime is 239081071. The reversal of 239081064 is 460180932.

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, 151399 + ... + 152969.

It is an arithmetic number, because the mean of its divisors is an integer number (9921285).

Almost surely, 2^239081064 is an apocalyptic number.

239081064 is a gapful number since it is divisible by the number (24) 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 239081064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317481120).

239081064 is an abundant number, since it is smaller than the sum of its proper divisors (395881176).

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

239081064 is a wasteful number, since it uses less digits than its factorization.

239081064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970 (or 1966 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 239081064 is about 15462.2464085915. The cubic root of 239081064 is about 620.6523345623.

The spelling of 239081064 in words is "two hundred thirty-nine million, eighty-one thousand, sixty-four".