239821896 has 32 divisors (see below), whose sum is σ = 603383040. Its totient is φ = 79430208.

The previous prime is 239821867. The next prime is 239821903. The reversal of 239821896 is 698128932.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28056 + ... + 35591.

It is an arithmetic number, because the mean of its divisors is an integer number (18855720).

Almost surely, 2^239821896 is an apocalyptic number.

It is an amenable number.

239821896 is an abundant number, since it is smaller than the sum of its proper divisors (363561144).

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

239821896 is a wasteful number, since it uses less digits than its factorization.

239821896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63813 (or 63809 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 239821896 is about 15486.1840361013. The cubic root of 239821896 is about 621.2927379991.

It can be divided in two parts, 23982 and 1896, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 239821896 in words is "two hundred thirty-nine million, eight hundred twenty-one thousand, eight hundred ninety-six".